CRAFTSMAN HEPA Filter for 22 to 34 Litre (5 to 20 Gallon) Wet/Dry Shop Vacuums (CMXZVBE38753) - Captures Fine Dust Allergens and Particles Down to 0.3 Microns : Amazon.ca: Tools & Home Improvement
RIDGID 5-Layer HEPA Pleated Paper Vacuum Filter for 11 to 17L (3 to 4.5 Gal.) RIDGID Wet/... | The Home Depot Canada