Abatement Technologies PRED750 Filter Starter Kit ERV Filters non corrosive filters with reusable polyester DFS DKN ST394x2 TA179 BNDLKIT KF non corrosive filters with reusable polyester filter screens use centrifuge spindown action to remove sand and other coarse sediment while maintaining full flow in system The blue floor panel simplifies orientation during setup This starter kit includes a one year supply of OEM replacement pre filters for the Abatement Technologies PRED750 Portable Air Scrubber — 12 coarse pre filters and 6 MERV 8 pleated filters bundled together to protect the HEPA filter and keep the unit operating at rated efficiency Substitute filters void the warranty and all performance claims