Application: The thru-wall pool skimmer basket is used in the above ground pool skimmer, to keep the debris from entering and clogging the filter plumbing of the skimmer and water pump, thus providing clean water flow. Pool Skimmer Baskets Compatible With: HydroSkim Skimmer, SP1091WM -Skim. Replacement Part Number: 513330. Package Includes: Above ground pool skimmer x 2. Equipped with handles. Made of durable plastic, strong and for use. Replacement Skimmer Basket Size: Top outside width 6.3inch, top inside width 4.8inch, bottom outside width 3.8inch, height 2.87inch. Color: White Material: PP Package Contents: 2 x Pool Pump Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.