Hayward W530 Large Capacity Leaf Canister with Mesh Bag Replacement for Hayward Pool and Spa Cleaners Ruggedly built, Hayward leaf/debris canisters are designed with the poolprofessional in mind. Choose the appropriate canister that fits your individual vacuuming applications. Extra-large basket or bag traps leaves and debris before they reach the filter system Superior design ensures that water will always bypass debrisand maintain proper water flow to pump Easy-open lid provides quick access to basket Lexan see-through construction lets you see when basket needs cleaning