PVDF Ultra Filtration Menbrane:0.01um filtration menbrane effective filtering the microbe, sand, rust, colloids, suspended matter, etc. In the water to keep the water clean. Long Service Life:Filter cartridge can be washed by hand. Premium Quality:Food grade 304 stainless steel, pressure resistance, weight resistance, corrosion resistance. Higher grade of materials to extend product life. Optimize and minimize the product structure, easy to install and wash. Easy Installation & Cleaning: The membrane filament has good hydrophilicity, high flux, easy to clean, and can be cleaned repeatedly. Easy disassembly and installation, no tools required, no electricity required, safe and energy saving. Fast and Stable Water Flow:4.4 GPM flow rate, the water is purified immediately after opening the faucet, which is suitable for kitchen.