Unicel C-9485 | 9000 Series 85 sq. ft. Replacement Filter Cartridge | Replaces Hayward CX850RE Spa Pumps these small OD differences are

these small OD differences are expected and normal for a Unicel replacement

inspect the lid O-ring and feeder body threads for wear

a glass-reinforced thermoplastic resin known for its dimensional stability and chemical resistance in pool water environments

(Open Line) W3DE3620 Hayward ProGrid DE Filter 48 Sq

Stain Solution #2 - 10 lb Pail

Unicel C-9485 | 9000 Series 85 sq. ft. Replacement Filter Cartridge | Replaces Hayward CX850RE Spa Pumps these small OD differences areThe Unicel C 9485 is a 9000 Series 85 sq. ft. replacement filter cartridge precision engineered to fit Hayward's ASL Full Flo C850 filter system. Built with heavy duty 4 oz. Reemay 2040 polyester media and 142 pleats, it delivers reliable water clarity with the dimensional accuracy Unicel is known for down to every sixteenth of an inch. Specifications Filter Area 85 sq. ft. Length 14 3 16" Outer Diameter 9 1 4" Top Inner Diameter 3" Bottom Inner