72 in. x 50 ft. UltraVue Black Insect Screen - The Home Depot
HD Models. Eriez High Deflection Screeners have the advantages of an electromagnetic design with the added benefit of high amplitude. Operating at a fixed 1800 vibrations per minute and approximately 1875 amplitude, the HD designs offer the nearly maintenance-free operation of our electromagnetic design with high amplitude, similar to a mechanical screener.