Generic Watkins Cartridges

Filter Model Watkins 33 Filtration Area 33 sq. ft. Diameter 6 in. Top Inside Diameter 1-15/16" Length 9 in.

Filter Model Watkins 45 Filtration Area 45 sq. ft. Diameter 6 - 3/8 in. Top Inside Diameter 3" Length 11 - 7/8 in.

Filter Model Watkins 65 Filtration Area 65 sq. ft. Diameter 8-1/2 in. Length 10-1/2 in.

Filter Model Watkins 30, Classic Models after 1990 Filtration Area 30 sq. ft. Diameter 5-7/8 in. Length 10-1/2 in.

Filter Model Hot Springs Spa & Watkins Classic, Sovereign 230v Models Filtration Area 30 sq. ft. Diameter 5-1/8 in. Length 10-1/4 in.