Vetus aerator

Vetus plastic aerator 13/19/25/32 mm with aeration valve Aerator ASD type V with pressure valve Type V is an antisiphon valve that is self-regulating - this means that it only vents when necessary - but you must maintain this type as salt crystals form. In short: Aerator type V with pressure valve Fits cooling water hose inner diameters 13, 19, 25 and 35 mm.