5 Stage Reverse Osmosis FULL Replacement Water Filter Kit with 50 GPD Membrane 10 inch 5 micron PP cotton (polypropylene) filter - filter sediment, iron, red worms and other impurities greater than 5 microns. 10-inch UDF pre-granular activated carbon filter - adsorption odor, residual chlorine, bleaching powder, industrial residues, remove industrial pollution. 10-inch precision sintered activated carbon filter - remove organic chemicals, sludge, suspended particles. Last but not least, the membrane is semi-permeable rated at 50 gallons per day lasting for approximately 12 months. This reverse osmosis kit is designed to fit with a variety of brands, it's easy to use and helps bring excellent quality drinking water to your home. Filter size: 65x250mm Color:Photo Color Material: Food grade material Package Included 3x Pre Filters 1x Post Filter 1x 50 GPD MembraneOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.