Two Little Fishies ATL5410W 6-Piece Plastic Hose Clamp Set, 3/4-Inch Two Little Fishies Plastic Hose Clamp Set Plastic hose clamps used for securing standard hose for low-pressure aquarium devices Used for low-pressure aquarium devices such as canister filters, protein skimmers, etc. Two Little Fishies Plastic Hose Clamp Set Plastic hose clamps used for securing standard hose for low-pressure aquarium devices Used for low-pressure aquarium devices such as canister filters, protein skimmers, etc. Used for low-pressure aquarium devices such as canister filters, protein skimmers, etc.