Under-Sink Reverse Osmosis Water Filter
Gravity-fed RO system relying on incoming water pressure to push water through the RO membrane. Multi-stage: sediment filter, carb...
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A reverse osmosis (RO) water filter system that is installed under the sink and does not use a pump is known as a gravity-fed reverse osmosis system. These systems rely on water pressure from the incoming water supply to push water through the RO membrane. Manufactured at our 20,000+ m² ISO 9001:2015 certified facility in Yuanhua Town, Haining City, Zhejiang Province, China, this product is part of our full-stack water filtration line — independently tested to NSF/ANSI 42 & 53 standards by SGS, with CE marking for European import compliance and FDA-grade material declarations on request. OEM/ODM private-label customization is available: brand printing, custom end-cap molding, color matching and packaging. Standard MOQ from 1,000 pcs; bulk wholesale FOB Shanghai/Ningbo with T/T 30/70 or L/C at sight payment terms. We currently export to 50+ countries including the United States, Germany, Russia, Saudi Arabia, Malaysia, Indonesia and Brazil, with full halal (JAKIM) certification on file for Muslim markets.
| Filtration Stages | مراحل |
|---|---|
| Membrane Type | Thin-Film Composite (TFC) Polyamide |
| Output Capacity | 50 / 75 / 100 / 200 / 400 / 600 GPD |
| Salt Rejection Rate | ≥ 96% – 99% |
| Working Pressure | فشار |
| Pure-to-Waste Ratio | 1:1 – 1:3 (configurable) |
| Storage Tank | 3.2 / 4.4 / 5.5 gallon (NSF-listed) |
| Certifications | گواهی |
| Capacity | 400 GPD |
| Type | Gravity-fed |
| Stages | Multi-stage |
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Gravity-fed RO system relying on incoming water pressure to push water through the RO membrane. Multi-stage: sediment filter, carb...
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