1" First stage filter for Abatement Technologies PAS2000. Filters sold 12 per case.

This 2-inch particulate pre-filter is manufactured to fit air scrubber model #PAS1800. Professionals recommend replacing this filter after 2-5 days of use for maximum results.

Stage 1 pre-filter - Inexpensive, 1" deep FIBER-TRAPPER® pre-filter for capturing large particulates; can be washed and reused or treated as a disposable.