3M Filtrete 20 In. x 25 In. x 4 In. (Slim Fit) Allergen, Bacteria & Virus 1550 MPR Deep Pleat Furnace Filter SKILLMAN high-speed steel bearing guided router

high-speed steel bearing guided router bit

Backlit screens offer maximum visibility in low light conditions

x 18-1/2" W

Includes 2-position side handle and rubber backing pad

24 TPI U-Shank

3M Filtrete 20 In. x 25 In. x 4 In. (Slim Fit) Allergen, Bacteria & Virus 1550 MPR Deep Pleat Furnace Filter SKILLMAN high-speed steel bearing guided routerFiltrete high performance filters are effective at attracting and capturing 97% of large airborne allergens like pollen, mold spores, and dust mite debris. Captures microscopic allergens like dust, smoke and smog particles. Electrostatically charged filters. Includes a filter change reminder sticker. Lasts up to 12 months. Purple label.