The 143 micro-filtration paper replacement vacuum bags are designed to fit Windsor Versamatic models. These microfiltration bags capture up to 99.7% of microscopic particles and allergens. 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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