2 Rainbow Rexair E & E2 HEPA Filter, Part # R7292, R12107B - Walmart.com
Rainbow Rexair Cleaner E Series Vacuum Cleaner E Series - Washable & Reusable Exhaust HEPA Filter - Compare to Part# R10520, R-10520, R12106B; Designed & Engineered by By Crucial Vacuum - Walmart.com
HEPA Filter for Rainbow E Series Canister - VacuumsRUs
RAINBOW VACUUM CLEANER E SERIES REAR HEPA FILTER COVER SUB PLATE SNAP ON R-10597 | eBay