The 820 micro filtration bags are designed to fit Bissell Zing 4122 series canister vacuums. These micro-filtration bags capture 99.7% of fine dust, dirt, and allergens. For best performance from your vacuum, it is recommended changing the bag when it is no more than half full or there is a loss of suction. If you have any questions please call 1-800-322-2965 and one of our vacuum experts will be happy to assist you.
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