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Ozone Gravity-Fed Stainless Steel Water Filtration System: Top-Tier Disinfection for Home & Public Use

This gravity‑fed water purifier with ozone sterilization is a all‑in‑one safe drinking water solution built for global households, public spaces, remote communities and emergency scenarios. It combines 0.2–0.5μm sub‑micron ceramic filtration, 15‑material composite filtration and high‑efficiency ozone disinfection to deliver reliable, clean water without plumbing, permanent power or chemical additives.
It effectively removes sediment, rust, suspended solids, residual chlorine, heavy metals (lead, cadmium, mercury, arsenic), pesticides and organic contaminants. It physically blocks and rapidly inactivates E. coli, Staphylococcus aureus, Salmonella and other intestinal pathogens with a sterilization rate above 99.99%, eliminating diarrhea, gastroenteritis and waterborne disease risks. The system produces no toxic byproducts, no drug resistance and no secondary pollution, fully complying with international safe drinking water standards.
With portable design, quick assembly and gravity‑driven operation, it adapts perfectly to family kitchens, rental homes, old communities, small offices, shops, temporary camps, garages and small hotels. It also supports emergency rescue, outdoor adventure and long‑term water supply in remote areas without tap water.
This purifier provides stable, low‑cost, easy‑to‑maintain clean water for both daily family drinking and public area hygiene, protecting health anytime, anywhere.

 

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Product Details

Product Details

Gravity Water Purifier with Ozone Sterilization

GuanYa Gravity Water Purifier combines 2‑stage filtration & ozone sterilization to provide safe drinking water with no plumbing, no constant power, no chemicals. It works for global households, outdoor, remote areas & emergency use, turning tap, well, river & rainwater into clean water instantly.
Dual‑Stage Filtration
  • 0.2–0.5μm ceramic filter: Blocks sediment, rust, cysts & E. coli.
  • 15‑material filter: Removes residual chlorine, heavy metals (Pb,Cd,Hg,As), odor & organic pollutants.
Medical‑Grade Ozone Sterilization

Kills E. coli, Staphylococcus aureus, Salmonella at >99.99% in seconds. Zero residue, eco‑friendly, no drug resistance.
Gravity Powered & Portable
  • Gravity flow, battery‑driven ozone
  • 304 stainless steel, 10L, lightweight & movable
  • No installation, easy to maintain

Certified & Reliable

Lab‑tested, ISO certified. Long filter life & low cost for home, RV, camping & disaster relief.

If you are considering an RO unit, contact us for an economical water treatment solution today

World-Class 3-Stage Filtration: 100% Safe Direct Drinking Water

Our core technological advantage lies in the 3-stage integrated filtration system, which removes impurities and kills bacteria comprehensively, supported by professional lab test reports to verify its effectiveness. This is currently the most advanced technology in the global gravity-fed water filter market.
  • 1st Stage: Ceramic Filter – Effectively removes large-particle harmful substances, sediment, and suspended solids from water. The ceramic filter core is easy to clean and can be washed regularly, maintaining filtration efficiency and extending service life without frequent replacement.
  • 2nd Stage: 15-Layer Deep Filtration – Equipped with a multi-layer filter that removes over 99.9% of more than 200 types of impurities, including iron, chlorine, PFAS (forever chemicals), and heavy metals (lead, mercury, etc.). These contaminants are known to cause serious harm to human health, such as digestive diseases, organ damage, and long-term health risks — our 15-layer filter eliminates them thoroughly.
  • 3rd Stage: Ozone Disinfection – The final and most critical step: ozone technology kills bacteria, viruses, and pathogens in water, transforming it into safe direct-drinking water. Ozone is a powerful oxidant that disinfects without leaving harmful chemical residues, breaking down into oxygen to ensure water is not only clean but also fresh-tasting. Lab tests confirm its ability to inactivate up to 99.99% of pathogenic bacteria and viruses, including chlorine-resistant strains.

15-Layer Deep Filtration: Remove 99.9% Impurities, Heavy Metals & PFAS

For users worldwide,  water safety is closely tied to the removal of harmful contaminants — especially PFAS (“forever chemicals”), heavy metals, and hidden impurities. Our 15-layer deep filtration system is engineered to address these critical concerns, leveraging multi-stage, targeted purification technology to remove over 99.9% of more than 200 types of contaminants. Unlike single-layer or basic multi-layer filters, our 15-layer design combines physical interception, adsorption, ion exchange, and advanced catalytic technologies, ensuring every drop of water meets the strictest global drinking water standards. Below is an easy-to-understand breakdown of the 15-layer filtration system, focusing on how it eliminates heavy metals, PFAS, and other harmful impurities.
Each layer of the 15-layer filter serves a unique, targeted purpose, with advanced materials and technologies tailored to global water quality. The layers are divided into four core stages: Pre-Filtration (Layers 1-4), Heavy Metal & PFAS Removal (Layers 5-11), Deep Purification (Layers 12-14), and Final Polishing (Layer 15). Together, they achieve 99.9%+ removal of impurities, heavy metals, PFAS, chlorine, an more

How drinking water is sterilized through physical treatment

Now our usual water supplies face unique challenges, including PFAS contamination, chlorine-resistant bacteria, and strict EPA/Health  regulations. Ozone’s bacterial decomposition mechanism addresses these concerns by:
  • Eliminating 99.99% of pathogenic bacteria and viruses, including strains resistant to traditional chlorine disinfection from tap water/River water and outdoor water different kinds or water source
  • Producing no toxic byproducts, complying with EPA limits for disinfection byproducts (DBPs);
  • Ensuring water remains fresh-tasting (ozone breaks down into oxygen, unlike chlorine which leaves a chemical aftertaste);
  • Supporting safe drinking water for homes, schools, hospitals, and businesses also outdoor camping water drinking . RV travel water drinking
Backed by authoritative lab tests compliant with report that this way really kill bateric in best way in the world, our ozone disinfection technology delivers reliable, science-backed protection for different water users. For more details on lab test results or how this mechanism integrates with our gravity-fed filtration system, contact us today

Why Ozone Gravity-Fed Filter Is the Best Choice

With the increasing awareness of water safety, traditional filters can no longer meet the demand for comprehensive purification. Our Ozone Gravity-Fed Stainless Steel Water Filtration System stands out for its unique advantages:
  • Top-tier technology: The only gravity-fed system with ozone disinfection, recognized as the world’s leading technology in the field.
  • Comprehensive protection: 3-stage filtration covers impurity removal and bacteria disinfection, ensuring direct drinking safety.
  • Food-grade safety: SS304 stainless steel body, non-toxic and durable, suitable for long-term use.
  • Cost-effective: Low maintenance costs, easy to use, and no extra expenses.
  • Versatile application: No electricity required, suitable for home, public, and commercial use.

Wide Application Scenarios: Suitable for Home & Public Areas

Our Ozone Gravity-Fed Stainless Steel Water Filtration System is designed to meet the drinking water needs of both family and public spaces, with versatile use cases:
  • Residential Use – Perfect for families, providing safe drinking water for daily use, cooking, and drinking, protecting the health of children, the elderly, and the whole family.
  • Educational Institutions – Schools, kindergartens, and colleges can use it to provide clean drinking water for students and teachers, ensuring a healthy learning environment.
  • Public & Commercial Spaces – Banks, companies, factories, offices, and shopping malls can install it in rest areas, providing convenient and safe drinking water for employees, customers, and visitors.
  • Medical & Health Institutions – Hospitals, clinics, and nursing homes require high-standard drinking water; our system’s ozone disinfection and deep filtration meet the strict hygiene requirements of medical environments.
We take pride in the quality and effectiveness of our products. For more information about the ozone disinfection effect, 3-stage filtration performance, and product specifications, please check our official video and detailed documents. We also provide authoritative lab test reports to verify the product’s effectiveness in killing bacteria and removing impurities — contact us to get your copy.
Whether you are looking for a home water filter or a solution for public drinking water, our Ozone Gravity-Fed Stainless Steel Water Filtration System is your reliable choice. It combines advanced technology, safety, and cost-effectiveness to bring clean, direct-drinking water to every corner of your life. We look forward to your reply and are ready to provide you with professional water purification solutions.
Keywords: Ozone Gravity-Fed Water Filtration System, SS304 Stainless Steel Water Filter, Direct Drinking Water Filter, Ozone Disinfection Water Filter, Home Water Filter, Public Area Water Filter, Low Cost Water Filter, PFAS Removal Water Filter

Gravity Water Purifier FAQ

1. What does this gravity water purifier do?

It removes sediment, rust, bacteria, viruses, residual chlorine, heavy metals, odors, and pesticides. It provides safe drinking water via dual‑stage filtration + ozone sterilization, no plumbing or constant power needed.

2. Is this product suitable for my country?

Yes. It supports 100–240V global voltage, works with tap, well, river, rain, and many water source, and is designed for home, outdoor, remote areas, and emergency use worldwide.

Filtration & Sterilization

3. What does the ceramic filter remove?

The 0.2–0.5μm sub‑micron ceramic filter blocks sediment, rust, red worms, microplastics, and E. coli (0.5–1μm), effectively reducing diarrhea and gastroenteritis risks.

4. What does the 15‑material filter do?

It combines physical filtration, chemical adsorption, mineralization, and antibacterial protection to remove residual chlorine, heavy metals (lead, cadmium, mercury, arsenic), organic contaminants, and odors while improving taste and pH balance.

5. How does ozone kill bacteria?

Ozone destroys cell walls, membranes, DNA/RNA, and enzymes of E. coli, Staphylococcus aureus, Salmonella, and intestinal pathogens, achieving >99.99% sterilization with no residues or drug resistance.

6. Does it produce secondary pollution?

No. Ozone decomposes into oxygen naturally. The system uses physical filtration and oxidation only, with no chemical additives or harmful byproducts.

Contaminant Removal

7. Can it remove E. coli and intestinal bacteria?

Yes. Ceramic filtration intercepts bacteria, and ozone achieves >99.99% inactivation of E. coli, Staphylococcus aureus, Salmonella, and other intestinal pathogens.

8. Does it remove heavy metals?

Yes. The 15‑layer composite filter significantly reduces lead, cadmium, mercury, arsenic, and other heavy metals widely found in well water and tap water.

9. Can it remove chlorine, odor, and pesticides?

Yes. The 15‑material filter adsorbs residual chlorine (>99.5% removal) and odors; ozone oxidizes and eliminates pesticide residues and organic contaminants.

Usage & Application

10. Do I need plumbing or installation?

No. It is gravity‑powered, pipe‑free, drill‑free, and ready to use by simply pouring water in.

11. Does it work without electricity?

Filtration runs purely on gravity (no power). Ozone uses a rechargeable battery; charging once supports multiple uses.

12. What scenarios is it used for?

Household daily use, outdoor camping, RV travel, remote villages, emergency disaster relief, temporary camps, and areas with no tap water supply.

13. How long do the filters last?

Ceramic filter: up to 12 months. 15‑material composite filter: up to 8 months. Replacement is simple and low‑cost.

Safety & Quality

14. Is the water safe to drink directly?

Yes. After dual‑stage filtration and ozone sterilization, water meets safe drinking standards for daily use, cooking, and baby formula.

15. Is the material safe?

The main body is food‑grade 304 stainless steel. Filters and parts use food‑grade materials, certified for safe drinking water contact.

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Guanya
Environmental

Guangdong Guanya Environmental Protection Technology Co., Ltd, a subsidiary of Guangdong Kailian Environmental Protection Technology Co., Ltd is a professional water treatment equipment manufacturer that integrates design, research and development, equipment production, technical services and sales.

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