Envirocare Parts designed to fit with or replace genuine original (OEM) manufacture part numbers: FX-1A, VCFX3, 405272 Designed to fit the vacuum models listed and more: Fairfax and Trendvac Canister Vacuums Fairfax Canister Series All including #SCPD7, S1 Dimensions: 2 1/4? Hole Diameter 6" x 19" Bag Size 3 1/2" x 4 1/2" Cardboard Made for everyday pick-up of fine dust, dirt, and debris.