3M Filtrete 20 in. W X 24 in. H X 1 in. Polypropylene 1900 MPR Pleated Allergen Air Filter (Pack of 4) VEL-X 1/2 size black and 1/4

1/2 size black and 1/4 size red

Outside Diameter: 7/8 in

2 side panels and 1 entry panel

5 percent purified water and 32

No more springs or nuts to be lost in the grass

3M Filtrete 20 in. W X 24 in. H X 1 in. Polypropylene 1900 MPR Pleated Allergen Air Filter (Pack of 4) VEL-X 1/2 size black and 1/4UPC: 051111024133 Manufacturer Part No: UA26DC 4 Brand Name: Filtrete Height: 24 in. Width: 20 in. Product Type: Allergen Air Filter Number in Package: 1 pk Pleated: Yes Filters Bacteria: Yes Electrostatic: No Trimmable: No Actual Size: 19 5 6 x 23 5 6 x 7 9 in. Filters Smoke: Yes Metal Mesh Support: No Filters Viruses: Yes High Efficiency: Yes Filter Frame Material: Cardboard Filters Pollen: Yes Filters Dust Lint: Yes Air Filter Size: 20x24x1 Filters