AIR VELOCITY METER AIR METER/DRAFT GAGE SERIES 400_MODEL 460

The Series 400 Air Velocity Meter combines high accuracy with dual-purpose functionality, ideal for balancing HVAC systems, measuring filter pressure drops, and testing fan/blower pressures. Kits include a manometer, pitot tube, tubing, connectors, gage fluid, slide chart, and carrying case. Model 460 Air Meter/Draft Gage is favored for HVAC servicing, offering accurate, direct readings for grille velocities, furnace draft, and filter pressure drops, with a durable plastic design for regular use.