Specifications include, but are not limited to: Cleaning #1; 1. Remove and replace with new fifteen (15) 24x24x12 Merv 15 mid filters; 2. Remove and replace with new five (5) 12x24x12 Merv 15 mid filters. 3. Remove and replace with new fifteen (15) 24x24x2 Merv 8 pre filters. 4. Remove and replace with new five (5) 12x24x2 Merv 8 pre filters; 5. Empty bullet trap and dust buckets – recycle lead. 6. Containerize in DOT approved boxes, attach stickers/placards and transport and dispose of all filters as hazardous waste. Apply lead rebate/credit to each visit. 7. Remove and replace with new fifteen (15) HEPA filters 24x24x12. 99.97%. 8. Remove and replace with new five (5) HEPA filters 12x24x12, 99.97%. 9. Clean rear range area where filter maintenance occurs of any lead waste.