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Abatement Tech Pre Filter 24" x 18" x 1" F1821 - Case of 12These first stage pre filters are manufactured by Abatement Tech specifically for their own machines. Most pre filters are 1/2", but these are thick 1" pre filters for extra strength. Their high quality 1st stage filtration will greatly increase the lifespan of your machine an..
Abatement Tech Pre Filter 24" x 18" x 1" F1821 - Case of 12These first stage pre filters are manufactured by Abatement Tech specifically for their own machines. Most pre filters are 1/2", but these are thick 1" pre filters for extra strength. Their high quality 1st stage filtration will greatly increase the lifespan of your machine and other filters. Abatement Tech Part #F1821.
These 1st stage pre filters will fit the following machines (and many more):Abatement Tech PAS2400
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