14x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 23.75) - 3 Pack w30h30 The 26-gauge metal end cap

The 26-gauge metal end cap is compatible with duct 10"

+ Product Details Size – 4" round duct sheet metal elbow - 30 gauge galvanized - crimped end connection - adjustable from 5° - 90°

It is UL 2043 listed

Example: If your opening is 14" tall by 20" wide

Actual Filter Size – 21 3/4"w x 5 3/4" x 1"

14x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 13.75 x 23.75) - 3 Pack w30h30 The 26-gauge metal end cap+ Product Details 14" x 24" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 13. 75" x 23. 75") A unique combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system. The non pleated design provides low airflow resistance while still effectively capturing dirt and particles such as standing dust, spray paint