PRIMARY FILTER FOR NEG AIR MACHINE

First Stage (Primary) Polyester Pad Pre-Filter for use in a variety of Negative Air Machines & Air Scrubbers.

Dimensions: 24″ x 24″ x 0.5″, 50 Filters Per Case

Compatible with Aerospace America Aerocleanâ„¢ Negative Air Machines #9100, #9103 & #9143.