Amazon.com - PUREBURG 10-Pack Replacement Vacuum Foam Pre-Filter Set Compatible with Hoover Impulse Cordless Vacuum Cleaners BH53020 Part Number 440012835
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Fette Filter - Vacuum Foam Filter Assembly Compatible with Hoover Impulse Cordless Vacuum BH53020. Compare to Part # 440012835. Pack of 6 - Amazon.com
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Amazon.com - PUREBURG 10-Pack Replacement Vacuum Foam Pre-Filter Set Compatible with Hoover Impulse Cordless Vacuum Cleaners BH53020 Part Number 440012835