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The Practical Pleat is a 5 inch thick, MERV 11, superior residential, pleated filter that fits in standard return grilles where 1 inch filters are normally found. These filters last longer, filter better, and are more efficient than standard filters. The Practical Pleat lasts up to 6 months. The included gasket eliminates air bypass and preserves MERV rating. Low pressure drop - .08 in W.G.
MERV 11 for superior residential, better commercial, and hospital lab applications.