Home > Shop > Heating & Ventilation > Furnace Filters Furnace Filters 3M 16x20-1" 300 MPR FURNACE FILTER Item #: 27119835 $9.55 $8.60 Add to Cart 3M 16x25-1" 300 MPR FURNACE FILTER Item #: 27121740 $9.55 $8.60 Add to Cart 3M 20x20-1" 300 MPR FURNACE FILTER Item #: 27123645 $9.55 $8.60 Add to Cart 3M 20x25-1" 300 MPR FURNACE FILTER Item #: 27125550 $9.55 $8.60 Add to Cart 3M 16x20-1" 600 MPR FURNACE FILTER Item #: 27127455 $10.85 $9.77 Add to Cart 3M 16x25-1" 600 MPR FURNACE FILTER Item #: 27129360 $10.85 $9.77 Add to Cart 3M 20x20-1" 600 MPR FURNACE FILTER Item #: 27131265 $10.85 $9.77 Add to Cart 3M 20x25-1" 600 MPR FURNACE FILTER Item #: 27133170 $10.85 $9.77 Add to Cart 3M 16x20-1" 1000 MPR FURNACE FILTER Item #: 27135075 $18.65 $16.79 Add to Cart 3M 16x25-1" 1000 MPR FURNACE FILTER Item #: 27136980 $18.65 $16.79 Add to Cart 3M 16x25-1" 1000 MPR FURNACE FILTER 2pk Item #: 27138885 $35.10 $31.59 Add to Cart 3M 20x20-1" 1000 MPR FURNACE FILTER Item #: 27140790 $18.65 $16.79 Add to Cart 3M 20x25-1" 1000 MPR FURNACE FILTER Item #: 27142695 $18.65 $16.79 Add to Cart 3M 20x25-1" 1000 MPR FURNACE FILTER 2pk Item #: 27144600 $35.10 $31.59 Add to Cart 3M 16x20-1" 1500 MPR FURNACE FILTER Item #: 27146505 $25.55 $23.00 Add to Cart 3M 16x25-1" 1500 MPR FURNACE FILTER Item #: 27148410 $25.55 $23.00 Add to Cart 3M 16x25-1" 1500 MPR FURNACE FILTER 2pk Item #: 27150315 $45.15 $40.64 Add to Cart 3M 20x20-1" 1500 MPR FURNACE FILTER Item #: 27152220 $25.55 $23.00 Add to Cart 3M 20x25-1" 1500 MPR FURNACE FILTER Item #: 27154125 $25.55 $23.00 Add to Cart 3M 20x25-1" 1500 MPR FURNACE FILTER 2pk Item #: 27156030 $45.15 $40.64 Add to Cart Page of 2