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3-Stage High-Efficiency Gravity Water Filtration System
The Membrane Solutions U3P Gravity Water Filtration System uses advanced composite filtration technology to reduce over 1,000 common water impurities. Its black carbon filter combines a 0.1μm hollow fiber ultrafiltration membrane with a 1μm activated carbon block, effectively reducing chlorine, rust, sediment, organic matter, and heavy metals, while improving taste and odor. The exclusive 3rd-stage Purification Light faucet adds an extra touch of freshness for consistently great-tasting water.
Smart Water Refill Reminder — Instant Tank Status
The Purification Light serves as an advanced water level indicator and refill reminder. When the light is on, the tank contains water; when it’s off, the tank is empty. It automatically turns on when water flows and shuts off when the flow stops, giving you a clear, real-time view of your water supply. This intuitive feature adds convenience and sets our product apart from others on the market


Long-Lasting Filter 9,000 Gallons Lifespan
Each Membrane Solutions gravity water filter-U3P filter set filters up to 9,000 gallons of water, though replacement might be needed sooner based on water conditions. Using U3P reduces reliance on bottled water, saving money and reducing waste.
2.25 Gallon Large Water Capacity, Perfect for 1-4 People
Membrane Solutions U3P gravity water filtration system has a large water capacity of 2.25 gallons, which can meet the indoor and outdoor drinking water needs of a family of 4. Compared to other gravity water filtration systems, our U3P gravity water filter metal container comes with 3 black filters and has a flow rate 1.5 times faster than a system with only two filters.


Food-Grade SUS304 Stainless Steel Material: Best Gravity-fed Water Filter Metal Container
Membrane Solutions U3P stainless steel water filtration system equip with durable 304 food-grade stainless steel housing. The metallic water level spigot fits securely, preventing leaks. With a sturdy, non-slip stand and additional silicone grips on all four corners, the U3P ensures stability during water dispensing. Capable of supporting up to 220 pounds without deformation, this system comes fully equipped with all necessary accessories, eliminating the need for extra purchases.
Membrane Solutions Gravity Water Filter- Your Ultimate Solution for Outdoor Drinking Water
Membrane Solutions U3P gravity-fed water filter is easy to set up and requires no plumbing experience. It operates without electricity, making it the perfect companion for both outdoor adventures and ensuring drinking water at home. Its compact, portable design makes it ideal for travel, while its powerful filtration ensures drinking water for household use. Perfect for camping, fishing, RVing, off-grid living, and emergency preparedness or recovery scenarios.

Specification | |
---|---|
Model | Membrane Solutions U3P |
Capacity | 2.25 Gallons |
Material | SUS304 Stainless Steel |
Dimensions without Stand | 9 x 19.8 Inches |
Dimensions with Stand | 9 x 25.8 Inches |
Dimensions of Transport | 9 x 13 Inches |
Membrane Pore Size | 0.1 Micron (Hollow Fiber)
1 Micron (Activated Carbon) |
Flow Rate | 0.1L/Min (Filter Element) |
Filter Lifespan | Each filter can filter up to 3,000 gallons of water |
Feed Water Temperature | 41-100℉ (5-38℃) |
Maximum Flow Rate | 0.05 Gallons Per Minute |