NVE - Model 4307 & 4310 -Heavy Duty Vacuum Blowers

Continuous Duty Performance at Maximum Vacuum. Tri-Lobe Design with Precision Machining. Ballast Port Manifold – Cools blower through air injection. Range of Airflow – Performance available to accommodate power. Oil-less Operation. 4″ Hose Barbed Adjustable Porting for Intake and Exhaust. Integral Final Filter with Easy Access Cleaning. 4-Way Pressure/Vacuum Change Over Valve. Designed, built, and supported in the USA.