Liner and pref. pool - 15 L Skimmers • 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, 2" outer thread. • Simultaneous connection to the main drain: Ø 50 mm inner wall. • Overflow connection: Ø 40 mm. • Leaf trap. • Recommended flow rate: 7.5 m3/h. • It is recommended that one skimmer be installed for every 25 m2 of water surface area. • All skimmers come in two different models: the model with inserts and the PARKER model, which is supplied with self-tapping screws. Supplied with adhesive gasket, bi-injection moulded frame, flange and screws.