886566017733 This filter measures 12x36x0&46;5 (Actual Size)&46; It has a MERV 6 rating&46; Economical, high-capacity media makes this filter an ideal upgrade from standard fiberglass throwaways&46; Captures a wide variety of airborne allergens including dust, mold, pet dander, and dust mites&46; This filter is rugged and durable&46; It will not warp or leak under normal operating conditions&46; Up to 8-times more effective at capturing micro particles than ordinary fiberglass filters&46; Excellent for high-velocity systems and maximum air flow&46; Lasts up to 3 months&46; This product is listed and rated by Underwriters Laboratories as U&46;L&46; Class 2&46; 886566017733