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1st Stage Pre Filter 24" x 24" x 1/2" Case of 40
Extend the life of your HEPA filters by using first stage polyester pre filters. These should be changed daily and dramatically increase the lifespan of your HEPA filter and your negative air machine.
These filters will fit the following air machines (and many more):Abat..
These filters will fit the following air machines (and many more):Abatement Tech HEPA AIRE H2KMAbatement Tech HEPA AIRE H2KMAAbatement Tech HEPA AIRE PAS1600SHSAbatement Tech HEPA AIRE PAS5000KAerospace America Aeroclean 2000 (9103 Full Feature)Aerospace America Aeroclean 2000 (9143 Econo)Novatek Novair F2100Novatek Novair F2102Novatek Novair F2105
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