Negative Air Machines 3-Ply Ring Pre Filter - 24" x 24" x 1" - Case Of 24 TrueComfort 2 front lower pockets with

2 front lower pockets with flaps

Standard features include 2 reinforced hems

Built with a 5/8 inch diameter rope

providing extensive facial coverage

13 gauge seamless Salt & Pepper Hypermax shell

Negative Air Machines 3-Ply Ring Pre Filter - 24" x 24" x 1" - Case Of 24 TrueComfort 2 front lower pockets withSKU: NC2424R Description 24"x 24" x 1" 3 ply Ring Filter for Negative Air Machine Case of 24 Ring panels are used for second stage filtration. The wire reinforcement border helps the filters to fit snugly, disallowing air bypass. These filters can also withstand moderate amounts of moisture without losing strength, making them ideal for high humidity or variable temperature environments. This filter will fit the stage 2 slot in the following machines: