Aqua-Pure AP420 Compatible Anti-Scale Calcium Reduction Cartridge Hoshizaki Replacement Filters Shelco model 22FOS4 - 616

Shelco model 22FOS4 - 616 GPM selection requires (22) 2 1/2 x 40 inch cartridges

Compatible with Whirlpool WHKF-DWHV

Fits: AP110-2C

The water enters the cartridge at the base and travels in an upflow direction by first being mechanically filtered down to 5 microns

Aqua-Pure AP420 Compatible Anti-Scale Calcium Reduction Cartridge Hoshizaki Replacement Filters Shelco model 22FOS4 - 616KleenWater AP420 Aqua Pure Compatible (5527407 55274 07) Anti Scale Hot Water Line Protector, Calcium Reduction Replacement Water Filter Cartridge Aqua Pure Hot Water Line Protector and Scale Inhibitor Alternative Water Filter by KleenWater Low Cost High Quality Replacement Alternative Cartridge Compatible Replacement for Selecto Scientific 101 260 ScaleOUT Alternative Cartridge for GE, 3M Aqua Pure, Pentek, American Plumber and Other Popular Filters