ZOTEE 19 sq.ft. Top Load Hot Tub Disposable Spa Hot Tub Filter Cartridge Replacement 2 PackSpecs Product Type: Hot Tub Replacement Filter Cartridge OEM : 19 sq. ft. Top Load Compatibility: Unicel C 4CH 21 Filbur FC 0121 Pleatco PTL18P, PSI18 Top Cap: Handle Bottom Cap: 1 1 2" Male Thread MPT Outer Diameter: 4 5 8" Length: 8" Surface Area: 19 sq. ft. Quantity: 2 Filter Cartridges Details ZT 165 Hot Tub Replacement Filter Cartridge: 4 5 8" Diameter, 8" Long ZOTEE Hot Tub Replacement Filter Cartridges are designed with Unique trilobal fiber

73532，Caldera Spas

Hot Tub Sponge Quantity: Package includes 2 Packs white Fish Shape oil absorbing sponges

AK-6541397

and hot tubs

Krystal Klear Models 108R/12

reducing costs and pump stress over time

Harmsco SC/TC 105 Compatibility: Unicel-C-7685/Filbur-FC-6110/Pleatco-RC-PH100/105 Top Cap: 3-1/2" female thread/FPT Bottom Cap: 2-5/8" Outer Diameter: 7-3/4" Length: 19-1/2" Surface Area: 105 sq ft Quantity: Single Filter Cartridge

Product Type: Spa Replacement Filter Cartridge OEM : 40 sq

ZT-127 Spa Filter Cartridge: 155 sq

but also causing less wear and tear on your pump

ZOTEE 90753 OD 9-15/16"（252mm） Length 14-1/4"（362mm） Top 5-13/16" Open Bottom 6-1/16" Open Manufacturer 75 sq

Unicel C-8417RA