HQRP 4-Pack Foam Filter for Kenmore 116.21714/21714, 116.21514/21514, 116.21614/21614, 116.23613/23613 Canister Vacuum Coaster HQRP&reg; 4-pack Double Layer Motor Safety Filter Replacement + HQRP&reg; Coaster; Compatible with Kenmore Sears Progressive & Whispertone CF-1, 86883, 20-86883, 20-86883C, 20-40321C, Panasonic MCV9568, AC37KAKTZ000; The white side goes up or out toward the dust compartment; Dimensions: 5" x 5" x 0.4" 2 weeks DOA replacement warranty!