MSA 458481 Smoke Tube Kit - Each

MSA Ventilation Smoke Tube kit is used for tracing air currents in shafts, mines & tunnels & to determine the velocity of slow-moving air currents & establish their direction & flow patterns. It includes aspirator bulb, 2-rubber plugs, 6-smoke producing tubes & comes in a plastic carrying case. Kit is used in commercial buildings & industrial processing plants to determine velocity & flow patterns of heating, ventilating & air conditioning systems.