20 X 30 X 1 Natural Fiber Washable Air Filter
Pleated Filter
Air Filter Kit Adapts Standard Magnehelic Gauge For Use As An Air Filter Gauge
Air Velocity and Temperature Head
In Duct Hot-wire Anemometer - CFM, Air Velocity, Temp
Filter Electronic Air Cleaner 16 X 25 1400 CFM 120V with Post Filter
Filter Electronic Air Cleaner 20 X 25 2000 CFM 120V with Post Filter