Designed specifically for the DefendAir 400 air scrubber, the pre-filter ensures the highest air filtration and air purifying efficiency. The highly portable, stackable DefendAir 400 air scrubber with HEPA removes dust, allergens and other potentially harmful particulates.

This replacement HEPA filter fits the HEPA 400 Air Scrubber, Velo and Velo Pro air movers from Dri-Eaz. This filter also restores your Velo HEPA Attachment Kit (F518) to maximum efficiency. It is ideal for use during general air scrubbing applications.