These are 12 high quality generic Airway canister vacuum cleaner bags. These bags will fit nearly all Airway canister models including A-144, 66, 77, 88, Sani-Clean, Centurion, Blue Wonder, Sanitizor mark vs Green Goddess, and Tom Gasko 80th Anniversary Signature Series. These bags are also know as Airway type S, and Airway Type X, and 405094 vacuum Cleaner bags. Generic product made by DVC. Each bag measures approximately: 6" Diameter x 11" Tall, and the hole at the top of the bag measures 1.5" in Diameter. 100% Satisfaction Guarantee! If you're not completely satisfied with your purchase from GoVacuum, you may return any order within 60 days for a full 100% refund, no restocking fees, or shipping charges will be deducted, AND we'll even pay for the return shipping.