Sanitaire triple filtration outer vac bag 53977-29 / 5397729.
The Sanitaire vacuums that use this bag also use the F&G paper disposable bag.
The blue outer bag will fit Sanitaire upright models:
- S634
- S634A
- S634B
- S634D
- S634D-1
- S647
- S647A
- S647B
- S647D
- S647E
- S647E-1
