81614 - 81615 - BC4027 Compatible HEPA Filter.
1 EF-11 Replacement Exhaust HEPA Media Filter .
Part #20-52730.
Keep your 600 Series Bagged Canister Vacuum w/ Pet PowerMate Running at FULL POWER !!
The Key to a Well Working Vacuum is a Clean Filter.
Always remember to your Filter evety 6-8 months to maintain PEAK PERFORMANCE.
A Must for Allergy Sufferers !!