Fitz All 1666 coffee maker filter. Fits most coffee makers using fluted basket filters. Dioxin-Free, conserves natural resources, dishwasher safe, rich coffee taste, convenient, Economical. Fits most full sized 8, 10, & 12 cup coffeemakers now using fluted basket filters with coffee basket dimensions at least 3 1/4 " base diameter, 4 1/2" top diameter, and 2 3/8" depth. Designed to fit Mr. Coffee, Norelco (Dial-A_Brew II and newer models but see dimensions above), Black & Decker (Spacemaker models only), G.E (Spacemaker models only). Proctor Silex (models without plastic flutes inside coffee basket only), West Bend, Sunbeam (expect thermal models), Farberware, Regal, Rockline Cory, Mirro, Brewmatic, Van Wyck, Lady Vanity, Robeson, Grandinetti, Thermoware/Zelda, Empire Sears, Wards, Penney, Kmart, and others. To use with Bunn coffeemakers, pour in half normal amount of water, wait for drip through, then add balance of water. For coffeemakers now using 3 1/2" disk or wraparound style filters such as most percolators (elctric or stovetop) and original Norelco Dial-A-Brew I coffeemakers. 3 Year Warranty with Manufacturer.