Filter King 13x21x1 Air Filter 12-PACK MERV 13 Actual Size 13 x 21 x .75″
Made from the highest quality materials and construction. Feel the difference in 48 hours. | FAST & EASY INSTALLATION: Open, Slide and Close!
Made from the highest quality materials and construction. Feel the difference in 48 hours. | FAST & EASY INSTALLATION: Open, Slide and Close!