Water Purifiers & Water Purification Systems
Explore configurable water purification platforms for residential, commercial and premium hydration applications — from countertop RO and under-sink filtration to cold, sparkling and high-flow water systems.
Our configurable portfolio includes high-flow carbon block filtration, countertop and tankless RO, chilled and sparkling water systems, and commercial MF/UF solutions.
Available for private-label, OEM and ODM programs across global markets.

S6 High-Flow Carbon Block Purifier
A high-flow twist-lock under-sink carbon filtration platform within HisoAir’s configurable water purification portfolio.
Explore Our Water Purification Solutions
HisoAir organizes water treatment into four modular solution platforms. Select the platform best suited to your installation format, flow demands, and contaminant objectives.
Countertop Water Purifiers
Plug & Play RO with Instant Heat & Ice
Compact purification systems combining RO filtration with convenient functions such as instant heating, temperature control and optional ice-making.
Under-Sink Water Purifiers
High-Flow Carbon Block & Tankless RO
Space-saving under-cabinet purification platforms spanning high-flow carbon block filtration, tankless reverse osmosis, and chilled sparkling systems.
PFAS Water Filtration
Contaminant-Targeted Platforms
Filtration platforms developed around defined PFAS reduction targets, media selection, testing and certification pathways.
Commercial Water Purification
Foodservice & High-Throughput Facilities
Configurable microfiltration, ultrafiltration, commercial reverse osmosis, and scale-control solutions tailored for commercial and foodservice applications.
Application Contexts: Residential Countertop, Under-Sink & Commercial
Purification architectures engineered specifically around physical space, plumbing access, and usage demand.

Residential Kitchens & Island Living
Plug-and-play reverse osmosis with instant multi-temp heating and ice dispense. Requires zero under-sink plumbing modification.

Concealed Under-Counter Plumbing
Ultra-slim high-flow carbon block (S6) or tankless RO neatly plumbed to direct kitchen taps or dedicated lead-free faucets.

Coffee Bars, Ovens & Hospitality
High-throughput sanitary manifolds with scale inhibition and consistent mineral balance tailored for commercial foodservice equipment.
Featured Water Purification Platforms
Streamlined engineering baselines ready for regional certification and private-label integration.

S6 High-Flow Carbon Block Water Purifier
A compact twist-lock filtration platform designed for applications where high flow, easy cartridge replacement and no wastewater are priorities. Built around an extruded high-density coconut shell carbon block core, it provides deep sub-micron adsorption for chlorine, taste/odor, sediment, and common chemical contaminants while maintaining direct household tap flow.
Countertop Water Purifiers
Compact purification systems combining RO filtration with convenient functions such as instant heating, temperature control and optional ice-making.

Under-Sink Water Purification
Modular under-counter configurations engineered to fit compact cabinetry while providing tailored water chemistry across three distinct technical routes:
High-Flow Carbon Block Filtration
Direct line flow up to 1.5 GPM. Zero wastewater, zero electricity. S6 twist-lock architecture.
Tankless Reverse Osmosis (400–800 GPD)
High-flux membrane rejecting TDS, heavy metals, and dissolved impurities with smart LED faucet.
Cold & Sparkling Water Systems (CS01)
Sub-counter chilling engine with precision CO2 carbonation for still chilled and fizzy soda water.
Commercial Water Purification Solutions
Configurable microfiltration, ultrafiltration, reverse osmosis, scale-control and UV options for foodservice, beverage and commercial water applications.
Whole-House & High-Flow Water Treatment
Lightweight central pre-filtration, scale inhibition, and softening modules designed to protect plumbing infrastructure and pre-condition water upstream of point-of-use purifiers.
How HisoAir Water Platforms Are Configured
Our modular platform architecture decouples pre-treatment, core separation mechanisms, and post-conditioning manifolds. This allows brand partners to configure custom target-market purifiers using verified tooling and interchangeable quick-connect cartridges.
Source Water
Incoming municipal tap, high-sediment, or variable hard well water.
Pre-Filtration
Physical sediment capture and pre-oxidation to protect downstream elements.
Primary Media
Configured by target contaminants, flow rate, and drain access:
Functional Modules
Application-specific thermal, carbonation, or remineralization stages.
Drinking Water
Tailored dispense endpoints ready for consumer or foodservice use.
Choose the Right Water Treatment Technology
Compare treatment technologies based on the contaminants or water-quality conditions being addressed.
Compare Water Purification Platforms
Compare complete water purifier formats based on installation, application, capacity and functionality.
Need a Water Platform Designed Around PFAS Reduction?
HisoAir supports filtration programs developed around defined PFAS reduction targets, including media selection, flow configuration, independent testing and certification planning. Performance and certification apply to specific cartridges and system configurations.
Water Technology Capabilities
HisoAir integrates modular mechanical, chemical, thermal, and electronic sub-assemblies to formulate tailored water systems.
RO Filtration
Precision semi-permeable membranes removing dissolved ions, heavy metals, and micro-pollutants down to 0.0001 microns with high recovery efficiency.
Carbon Block & Composite Media
High-density extruded carbon cores blended with custom binders for optimal adsorption of chlorine, volatile compounds, and tailored contaminant profiles.
Quick-Change Cartridges
Tool-free bayonet and twist-lock mechanisms designed with integrated auto-shutoff valves for leak-safe, sanitary 5-second cartridge replacements.
Cooling & Sparkling
Quiet compressor chilling units coupled with precision gas-liquid mixing manifolds delivering chilled still and effervescent sparkling water on demand.
Instant Heating
Rare-earth thick-film heating technology delivering boiling, tea, and baby-formula preset temperatures in under three seconds without scale stagnation.
UV Integration
Mercury-free LED ultraviolet modules placed at water flow passages and dispense outlets to deliver continuous microbial control without chemical byproducts.
Performance & Documentation
In water purification engineering, credible performance claims must be tied to verified test protocols and exact physical configurations. We maintain rigorous documentation packages across our product lifecycle.

Burst & Cyclic Pressure Testing
500+ psi burst threshold verification and 100,000-cycle hydrostatic pressure fatigue testing to prevent catastrophic housing rupture.
Carbon Block & Seal Validation
Sub-micron pore uniformity testing, binder migration inspection, and dual EPDM O-ring compression checks under variable water temperatures.
Independent Challenge Testing
Accredited third-party challenge protocols quantifying chlorine, lead, VOC, and emerging chemical reduction across full rated gallon capacity.
Need OEM or ODM Water Purifier Development?
HisoAir supports filtration engineering, industrial design, prototyping, certification coordination and scalable production for global water-treatment and appliance brands.

Full plant audits, automated robotic assembly, and cleanroom capacity are documented on our dedicated manufacturing site.
Relevant Water Insights
Objective technical overviews exploring membrane science, adsorption kinetics, dissolved solids, and emerging contaminant mitigation.
Carbon Block vs Reverse Osmosis: Which Fits Your Need?
A direct technical comparison of adsorption vs membrane separation: pore sizes, TDS reduction, flow rates, and operating economics.
"Choose RO for dissolved inorganic salts and heavy metals; choose Carbon Block for chemical taste/odor, no wastewater, and high line-pressure flow."
RO vs UF Water Filtration: Understanding Pore Sizes & Dissolved Minerals
How Ultrafiltration (0.01 micron) bridges the gap between sediment pre-filters and hyper-dense Reverse Osmosis membranes.
"Ultrafiltration stops bacteria and suspended solids while keeping naturally occurring minerals intact without wastewater."
What Does TDS Mean in Drinking Water? Measurement vs Contaminant Reality
Why TDS meters cannot measure chemical safety, organic pollutants, or PFAS, and how to evaluate water test reports correctly.
"A TDS meter only measures mobile charged ions (mostly benign salts like calcium and sodium), not volatile chemicals or toxic synthetic compounds."
How to Choose an Under-Sink Water Purifier for Modern Kitchens
Space constraints, faucet configurations, remineralization options, and flow considerations when planning under-counter systems.
"Match system architecture to kitchen cabinet space, faucet hole availability, and household daily peak drinking demand."
PFAS Water Filtration Technologies Explained: Carbon, Resin & RO
An engineering overview of activated carbon, ion-exchange media, and RO membranes for PFAS reduction—and where each technology performs differently.
"PFAS treatment performance depends on compound chain length, media selection, contact time, water chemistry, and system design. GAC, ion exchange, and RO each have different strengths."
20+ Years of Innovation in Water Technology
Your Strategic Partner for Advanced Water Purification
- Tailored countertop & under-sink RO systems
- Multi-national production: China, Vietnam, Thailand, Malaysia
- Global certifications & enterprise-ready quality
- OEM/ODM programs for international markets

Advanced Water Technology Solutions

6-in-1 RO Filtration — Advanced Multi-Layer Technology
- PP Sediment Layer – Traps rust, sand, and large particles.
- Scale Inhibitor Layer – Reduces limescale buildup, protecting your RO membrane and appliances.
- Pre-Activated Carbon Fiber Layer – Absorbs chlorine, chemicals, and organic compounds.
- Activated Carbon Powder Layer – Eliminates odors and improves taste.
- PP Sediment Layer (Fine) – Captures ultra-fine impurities for extra clarity.
- Reverse Osmosis Membrane (NSF 58 Certified) – Removes heavy metals, TDS, bacteria, and microscopic contaminants at the molecular level.
Why Choose Our 6-in-1 Composite Filter Cartridge?
- Six advanced filtration layers in one cartridge — PP, Scale Inhibitor (RGDI), Pre-Activated Carbon Fiber (PACP), Activated Carbon Powder (ACP), fine PP, and NSF 58 Certified Reverse Osmosis membrane.
- Comprehensive contaminant removal — Effectively reduces TDS, sodium, chlorine, and bacteria.
- Appliance protection — Scale inhibitor layer reduces limescale buildup, extending RO membrane life.
- Improved taste & odor — Dual carbon layers remove chemicals, odors, and unpleasant tastes.
- High efficiency, long lifespan — Fewer replacements with consistent water purity.
- Certified safety & quality — NSF 58 Certified RO membrane ensures trusted performance.


PPC Filter – Pure Water, Perfect Taste
- Polypropylene Layers – Remove sediment, rust, suspended solids, and particles over 5μm.
- Pre-Activated Carbon – Eliminates unpleasant colors and odors.
- Scale Inhibitor – Helps protect your appliances from mineral buildup.
Effortless Filter Replacement for Pure, Fresh Water
- Say goodbye to complicated steps — Just twist and pull, and your filter is ready to be replaced.
- 90° rotation + easy pull-out — No tools, no hassle—anyone can do it in seconds.
- Simple as opening a bottle cap — Keeps your family’s drinking water fresh and safe.


Compressor Refrigeration & Ice-Making Technology
- Innovative Cooling Solution – Integrates refrigerator-like compressors into water purifiers for unmatched cooling efficiency.
- Powerful Performance – Delivers 4–8 °C real cold water, restoring the true refrigeration effect for a refreshing chilled taste.
- High Production Capacity – Equipped with two dedicated compressor production lines, capable of producing up to 800 units per day.
Highly Efficient Ice-Bullet Technology
- Advanced Ice Formation – Our cutting-edge ice-bullet technology ensures ice cubes are perfectly clear, quickly formed, and maintained for extended freshness.
- Rapid Cooling – Enhances beverage quality by chilling drinks quickly, satisfying consumers’ desire for a premium drinking experience.


Instant Heating Technology
- Fast & Precise Heating – Reaches your desired temperature within seconds, with multiple settings such as 45°C, 90°C, and 100°C, perfect for preparing milk powder, coffee, tea, and other beverages.
- Better Quality, Less Waste – Prevents water quality deterioration and saves energy by eliminating repeated heating common in traditional dispensers.
- Advanced Heating Element Design – Features high-capacity thick-film heating and wrap-around wire technology for fast, stable heat transfer.
- High-Power Option – Delivers up to 3300W output for demanding business applications.
Bypass-Flow UV Sterilization Technology
- Effective Pathogen Removal – Utilizes bypass-flow UV sterilization to eliminate bacteria, viruses, and other harmful microorganisms, ensuring water safety and hygiene.
- Chemical-Free & Eco-Friendly – Unlike traditional chlorine disinfection, UV sterilization produces no harmful by-products and is safer for human health.


End-of-Outlet UV Sterilization Technology
- Final Stage Protection – End-stage UV sterilization effectively removes bacteria, viruses, and other microorganisms, enhancing water safety and sanitation standards.
- Hygiene Maintenance – Prevents bacterial growth at the outlet, keeping water clean, fresh, and free from secondary contamination.
Why Choose Hiso


20+ Years of Experience

OEM/ODM Flexibility

Global Certifications

Global Manufacturing

Tech & Engineering Support

One-Stop Water Solution
Manufacturing Capabilities for OEM & ODM Programs
Competitive Pricing
Factory-direct production, stable raw materials, and MOQ flexibility mean you get better value—without quality trade-offs.
Certified Safety
Product-specific certification and compliance documentation is available by model and target market.
Eco-Friendly Materials
100% coconut shell carbon, recyclable shells, and zero metal contamination—designed for clean water and a cleaner planet.
Precision Manufacturing
Automated production and strict QC ensure stable dimensions and performance across every batch.
What We Serve?
Distributors & Brands
Component Assemblers
ODM Clients
OUR FACTORY — Our Production Environment

Advanced Manufacturing Line

Multi-Lab Testing Center

Core Component Validation

Certified & Protected Technology
Manufacturing & Production Capacity




Core Manufacturing Capabilities
- Advanced Technology – Equipped with BRANSON ultrasonic welding and CCD vision inspection for precise, stable production.
- Smart Manufacturing – Fully automated MES systems provide real-time monitoring for consistency, safety, and full traceability.
- End-to-End Capability – Covering everything from filter cartridges to complete water purifier units.
- Production Capacity – Designed annual capacity of up to 10 million filters and 500,000 water purifiers.
- Quality You Can Trust – Delivering reliable products with strict process control at every stage.




Supporting Production Lines
- High-Speed Folding – Advanced folding machines operate at up to 150 folds per minute, ensuring efficiency and consistent quality.
- Large-Scale Capacity – Designed annual capacity of up to 1.2 million folded filters.
- Automated Membrane Processing – Precision cutting and sealing with integrated gas inspection for flawless membrane performance.
- Full Traceability – One-code tracking guarantees complete visibility and accountability of materials and processes.
- Reliable Capacity – Designed annual capacity of up to 200,000 membrane filters.






Strict Quality Assurance at Every Step
- Structural Testing Lab – Ensures mechanical strength and product safety.
- Physical & Chemical Laboratory – Verifies material stability and safety compliance.
- Component Durability Test Lab – Evaluates long-term performance and reliability.
- Simulated Transportation Test Area – Assesses packaging and product resilience during shipment.
- Finished Product Inspection – 100% inspection of all final products before delivery.
- Noise Testing Chamber – Measures operational noise levels for user comfort.
Our Partners










Frequently Asked Questions
How do I know if the carbon quality is good?
We use 100% coconut shell activated carbon with an iodine value between 1000–1100—this is the industry benchmark for high adsorption capacity. Each batch is lab-tested and comes with a certificate, so you can confidently verify quality before mass production.
What if the filters clog or have high pressure drop?
Our carbon blocks are engineered for both adsorption and flow stability. The extruded structure ensures low pressure drop while maintaining high performance, reducing the risk of clogging and extending service life—even in systems with variable water quality.
Are your filters compatible with my machines?
Most likely, yes. We support a wide range of industry-standard sizes, and we can customize filter dimensions, end caps, or threading to match your system. Just send us drawings or samples—our engineering team will handle the adaptation.
How fast can I get filters after placing an order?
Standard lead time is just 15 days for most orders. For common models, we may ship even faster depending on stock. We understand that timing is critical; our fast turnaround helps you avoid delays in assembly or launch.
Will these filters really remove chlorine and bad taste?
Yes. Our carbon block filters are designed to remove over 90% of residuachlorine, unpleasant odors, and VOCs. This dramatically improves tasteand ensures clean, safe water for end users-critical for customersatisfaction in home and commercial use.
Can I trust your certifications for export?
Absolutely. All our filters and materials come with internationally recognized certifications, including NSF 42, ISO 9001, SGS, RoHS, CE, and more. We frequently support OEM clients with complete documentation for customs, distributor audits, and retail compliance.
What makes your carbon block different from cheaper ones?
We use fine-mesh, food-grade coconut shell carbon, tightly compressed through extrusion—not loose or powder fill. This results in a longer filter life, better adsorption, no carbon dust, and consistent performance—especially important for premium or export-grade products.
Will you support me if I want to develop a new product?
Yes. We actively work with OEM/ODM clients on new concepts, whether you’re building a smart purifier, a countertop system, or a portable filter. From prototypes to mass production, we provide material suggestions, CAD support, testing, and more.
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