+3 A600 Pre-Filters | 20 Pack 201000014 $99.90 In stock Quantity: 1 Add to Bag Product Details UPC: 0.00 Brand: no Prefilter replacement (12x12x1) for the Ermator A600 Air Scrubber. Keep in mind to minimize your risk of cross contamination its a good habit to change out your HEPA (pn# filter between jobs and disinfect your AFD. Pack of 20 Save this product for later Favorite