Karcher HEPA Filter for NT25/1, NT35/1 and NT45/1 Wet/Dry Vacs 8.923-368.0 - The Home Depot
Karcher - Vacuum Cleaner Filters; Vacuum Type: HEPA & Critical Vacuum ; Filter Type: Main Filter ; Application: Maintenance Equipment ; For Use With 2: 9.988-915.0 ; For Use With 3: 9.988-915.0 ; For Use With: 9.988-915.0 - 16617391 - MSC Industrial Supply