This pleated media filter features rugged construction and provides high-quality performance at a low initial cost. This is the 1st Stage Pre-Filter for the Dri-Eaz DefendAir HEPA 500 and DefendAir EX Air Scrubbers. It measures 16" x 16" x 1".

Choose this when you need a Final Stage HEPA replacement filter for your Abatement Technologies air scrubber model #PAS1800.

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.