The 4 quart paper bags are designed for the Lindhaus Healthcare Pro (not HEPA) and RX Commercial series uprights. These uprights have a wand along the right side outside of the bag chamber. The nozzle connector is on the right side and a supporting bracket is on the left side at the bottom of the vertical body. The Filtrete exhaust filters measure 6 7/8" x 4". One filter fits in the lid on the front of the vacuum's main body.
For similar products see our list of
Lindhaus Vacuum Supplies.