Perfect Replacement for Standard Skimmers: Directly works with SP1090LX, SP1091ES, SP1095ES and other typical wall mounted pool skimmers. Wide Installation: for various over ground pools, accommodates common wall openings. The panel's pre made holes enable fast and simple setup, reducing effort during assembly. Secure Threaded Attachment: Includes a 1 1/2 inch inner thread (actual inside diameter approx. 1 3/4 inches), designed to work with 1 1/2 inch outer threaded hose connectors for tight connection to pool systems. Sturdy Construction: Made from strong ABS that resists pool and outdoor exposure (sunlight, rain, temperature changes), maintaining functionality throughout swim . Package includes: Pool Skimmer set