Filter King 21.75×21.75×1 Air Filter 6-PACK MERV 13 Actual Size 21.75 x 21.75 x
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!