Astralpool Skimmer 17.5 Lt for prefabricated pools without inserts. Range of 17.5-l skimmers suitable for installation in public and private pools. Made of white ABS with UV treatment, it comes with a weir flap, flow regulator, cover height adjuster and leaf trap. The water inlet is 495 x 80 mm. The recommended flow rate of 7.5 m³/h. Install one skimmer for every 25 m² of water surface area. For connections of less than 1″1/2 and 2″, and a water overflow connection of Ø 40 mm. UNE-EN-13451-1. Item is available in White, Beige, Light Gray and Anthracite colors.