EnviroCare Premium Replacement HEPA Filtration Vacuum Cleaner Filters for Dirt Devil Dynamite, Quickvac, Power Stick, and Power Reach Uprights. Type F2 2 Filters - Walmart.com
F1 HEPA Filter – Dirtdevil
4-Pack Replacement for Dirt Devil UD20100EB Vacuum HEPA Filter - Compatible with Dirt Devil F44 Filter - Walmart.com