Central Vacuum Cleaner Short Y WYE 3 Way Connector Fittings For All Central Vacuum Systems Including: Aggresor Airvac AstroVac Cana-Vac Cirrus Drainvac DuoVac ZVac (1, Short Y WYE 3 Way Connector) Central Vacuum System Small Short Y WYE 3 Way Connector ZVac 2 PVC 3 way coupling elbow. Reliable and durable Fits: Aggresor Airvac AstroVac Beam Cana-Vac Cirrus Drainvac DuoVac Dustcare All Other Brands of Central Vacs. All ZVac Central Vacuum Fittings Meet ASTM 2158 Standards