KRPLUS Pre Filter Big Housing With Spun Filter & 3/8" Pipe 5 Meter, Steel Plate 20 inch For Commercial RO Purifier Solid Filter Cartridge (5, Pack of 4)

20" Pre filter Housing Set Suitable and Compatible for 20" Commercial Water Purifier. Also Recommended to Change the Pre Filter Set once in a Year to Avoid Dirt and Contamination Deposits inside. 100% food grade: The pre-filter set is made with high quality filtration components to protect and prolong the lifespan of your reverse osmosis system