MERV11 PracticalPleat™ Filters are high performance filters designed to replace standard 1" filters. The Practical Pleat's patented gasket conforms to imperfections in the filter track, eliminating air bypass and preserving the integrity of the MERV11 Rating. This unique gasket fits into the one-inch filter slot with the excessive depth of the filter protruding in the duct system or return plenum. Custom Sizes also available , if you cannot find your size , Contact Us. MERV11 Practical Pleat filters can last up to 6-months.
To select a Custom Size , measure your filter's Length , multiply it by your filter's Width for 'Total Surface Area Square Inch' - select based on your thickness, custom filters are cut approximately ± 1/8".