This is a genuine Certikin HD20L Vac point, manufactured with ABS for use on liner pools.
This Vac point is for use with an automatic pool cleaner or vacuum hose.
The vacuum point can be plumbed in for use as either a suction point or return fitting. 1.5" BSP female thread or 2" BSP male thread for easy connection to pool pipe.
Comes with 1.5" removable plug and with a gasket and screw kit