These are the Micro-Filtration 12 gallon filter bag and are the best filter to use if you have allergies or breathing problems and also assists in keeping your motor fan blades clean and free from dust thus preventing premature motor failure. These Micro-lined 2-ply filter bags and are made to factory specifications and filter down to .03 microns at 99.7% efficiency and using them will protect your warranty and replace the HyperFlow filter bags.
Fits Air Force, Silent Master, MD, Modern Day, FlowMaster, AirFlow, Stor-Vac. Compares to MD part #721-5, #721MC and #12MC paper filter bags.
Comes in a pack of 3 for your convenience. Bags measure 15 inches wide by 27.5 inches tall and has an elastic band at the top.
If you need the 8 gallon paper filter bags see our part #FI101.
