Protective Pre Filters, 5 Pack, 15.75'' x 15.75'' Air Filter Replacement, High-efficient Stage 1 Filters Compatible w/ BlueDri & Scrubber, Air Purifiers, Water Damage Restoration Equipment Pump Accessories minimizing hand fatigue and improving

minimizing hand fatigue and improving control during use

Designed for stability with an anti-slip texture

Pull out the U-shaped buckle and divide the spring

a fixed pressure plate for easy material holding

19Qt/21L Spacious Interior

Protective Pre Filters, 5 Pack, 15.75'' x 15.75'' Air Filter Replacement, High-efficient Stage 1 Filters Compatible w/ BlueDri & Scrubber, Air Purifiers, Water Damage Restoration Equipment Pump Accessories minimizing hand fatigue and improvingVEVOR Replaceable Pre Filter: Unleash the Power of Clean Air We proudly present the revolutionary replaceable pre filter, the ultimate solution to keep your air and fluid streams impeccably clean, hassle free. Replace regularly to ensure maximum performance. The pre filter acts as a first line of defense, capturing coarse impurities before they reach the main filtration stage. High quality filter to restore an air scrubber of the pre filter makes an