Vacuum Generator VY. Integration of ejector and blow-off (vacuum break) functions. Vacuum Generator with Blow-off mechanism - Silencer Vent (VY Series), Vacuum Generator with Blow-off mechanism & Vacuum Filter - Silencer Vent (VY Series), Vacuum Generator with Blow-off mechanism - Tube Exhaust (VY Series), Vacuum Generator with Blow-off mechanism & Vacuum Filter - Tube Exhaust (VY Series), Vacuum Filter for VY (VYF Series)