Air Vent 85150 Square Roof Mounted Vent, Aluminum, Mill FREEOVER35 Works on concrete

Works on concrete

Used in machine shops using screw machines or where the maximum chuck capacity is 1/2"

sponge or cloth

Promptly clean smearing with damp water/cloth

Air Vent 85150 Square Roof Mounted Vent, Aluminum, Mill FREEOVER35 Works on concreteAll aluminum rust free construction. Hood & throat designed to maximize airflow. Heavy, rust free integral screen. Provide 50 square inches of net free area. 9" diameter opening. UH50MF Square shape Color: Mill Hood & throat designed to maximize airflow All aluminum rust free construction Heavy, rust free integral screen Provide 50 square inches of net free area 9" diameter opening As hot air rises the vent allows the hot air to escape Should be