Such design allowed properly seal cap and housing body to prevent water leakage when you replace the cartridge
1 NSF Certified Thin Film Membrane
WELL-MATCHED: Harmsco 801-50 and 801-50W
SDC-45-2005
Filter Type Fine Melted Polypropylene 5 MICRON Unit Height IN/CM 12
Filter Replacement Set for 5-Stage Reverse Osmosis Water Filtration System (6 Sediments, 6 Carbons, 6 GAKs, 3 Inline filters, 100GPD NSF Certified Membrane) 3-Year Supply Power_6W Such design allowed properly sealFEATURES 6 Sediment filters 5 Micron 10 Inch, 6 Carbon block filters 5 Micron 10 Inch, 6 Granular activated carbon filters 10 Inch, 3 Inline polishing filters 10 Inch & 100GPD NSF Certified Membrane KEEPS WATER FRESH Reduces sediment, scale, rust, dirt, coarse sand, sand, fine sand, extra fine sand, silt IDEAL for a standard Reverse Osmosis Water Filtration Unit or any type of Water Filtration Unit with 10" housing FILTER LIFE 4 month or 12,000