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 Pull out the U-shaped buckle

Pull out the U-shaped buckle and divide the spring

Designed for stability with an anti-slip texture

Ultimate Reliability

They are provided to be fixed on the steel brackets

and rust-resistant design ensures long-term reliability

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 Pull out the U-shaped buckleVEVOR 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