ASTRALPOOL 11309 17.5L skimmer standard mouth square cover for liner pools

Concrete pool - 17.5 L Skimmers. Features: - The height of the cover can be adjusted and turned through an extended throat, so that it sits perfectly flush with the coping stone. - It is recommended that one skimmer be installed for every 25 m2 of water surface area. Specifications: - All of the components that are exposed in this range of skimmers come with a UV treatment. Made of ABS, they come with a weir flap and a flow regulator check valve. Bottom suction nozzle connection: 11/2” inner thread. - Simultaneous connection to the main drain: 2” inner thread. Overflow connection: Ø 32 mm. Round cover with spring clip fastening system. - Leaf trap secured to base by means of a bayonet mount. In-built weir flap housing. Recommended flow rate: 7.5 m3/h.