Replacement Part For EnviroCare HEPA Vacuum Bags for Riccar 1500 and Simplicty Type H Canisters 6 Bags. These vacuum bags also fit Simplicity type H vacuum bags. The Envirocare 855 HEPA Type replacement vacuum bags are designed to fit Riccar and Simplicity Vacuums. These HEPA vacuum bags trap 99.97% of microscopic particles and allergens.