Meet the HEPA Filters Cover Kits. If you ever in a situation where you need to replace your HEPA Filters Cover Kits for DynaVac 1600IC, Onfloor is your best shot at getting a solution. The HEPA Filter Cover Kit is installed on HEPA versions of the 1600IC vacuums. To convert a non-HEPA machine, you'll need to purchase this kit in addition to the HEPA filter for the 1600IC (600024).