The Hawyard AXW431ABK replaces the Hayward AXW431A leaf canister basket. This basket fits W530 and W430 Hayward Leaf Canisters which are most commonly used with Hayward Navigator and Hayward Pool Vac automatic pool cleaners. This basket is made from black plastic and is approximately 7-15/16 inches tall with a 5-1/2 inch diameter across the top.