This hose clamp is designed to use with Hayward S160T S200, S240, S245T, S190T and Pro Series sand filter models S200PAK1, S240PAK1, S160TPAK1, PAK3, S164T, S166T. Also fits Hayward S210T1580, S166T, Dream Line High rate sand filter models S166T1575XS, S166T1575XSN2, S170TSCPE, S190TSCPE, S190TSCPFT, S190TSCPT. Also compatible with Hayward Perflex extended-cycle D.E. filter model Series EC65 standard, EC40F Kit Series, I_PFPPTS. Weight 6-1/2-pound.