Home Slickdeals 3-Pack 3M Filtrete 800 MPR (MERV 10) Air Filters – 3 x... Slickdeals 3-Pack 3M Filtrete 800 MPR (MERV 10) Air Filters – 3 x 3 packs $39.64 (after rebate) + tax with free shipping By ARCOM - 15 September 2020 88 0 SHARE Facebook Twitter Go to the deal page: 3-Pack 3M Filtrete 800 MPR (MERV 10) Air Filters – 3 x 3 packs $39.64 (after rebate) + tax with free shipping