API Filstar XP Filter Contains one (1) API FILSTAR XP TUBING Kink-Free Aquarium Canister Filter Spare Part 1-Count Replacement tube for API FILSTAR XP S, M, L, XL (or RENA FILSTAR xP1, xP2, xP3, and xP4) and API NEXX canister filters Contains 2 replacement tubing structures for API RENA FILSTAR XP and API NEXX canister filters