Astralpool ABS return inlet for liner pools 3" adjustable floor inlet, grille in S.S. AISI-304 Made in white ABS. With gaskets, flanges and screw. Adjustable flow by rotating the grille. Suction area: 0.015 m2. Flow rate at 0.4 m/s: 20 m3/h. Max. recommended flow rate: 26 m3/h (0.5 m/s).