Generic Harmsco Cartridges

Filter Model Tropic Flo 50, BF55SC (4oz) Filtration Area 50 sq. ft. Diameter 7 - 3/4 in. Top Inside Diameter 2-5/8" Length 9 - 5/8 in.

Filter Model Tropic Flo 150, BF155SC (4oz) Filtration Area 155 sq. ft. Diameter 7 - 3/4 in. Top Inside Diameter 2-5/8" Length 29 - 1/16 in.

Filter Model Tropic Flo 100, BF100SC (4oz) Filtration Area 105 sq. ft. Diameter 7-3/4 in. Length 19-1/2 in.