This 3-ply, second stage ring filter fits the ACSI Force Air 2000. Measures 24 x 24 inches.

This second-stage particulate filter, manufactured for use with Abatement Technologies models PAS500/PAS600/PAS1000/PAS1200, works best when changed as recommended, every 3-7 days.

This filter offers superior construction and is the standard filter for your original Phoenix 200 dehumidifier and your Phoenix Mini-Guardian Air Scrubber.

This 16" x 16" ring filter is designed for use with the Novatek Novair 1000 air scrubber.