Glasfloss ZL 20x25x4 MERV 10 AC Furnace Filters. 6 Pack. Actual Size 19-1/2 x 24-1/2 x 3-3/4-Fast Shipping

Description

Actual Size: 19.5 x 24.5 x 3.75 | Nominal Size: 20 x 25 x 4

MERV 10 Efficiency with MERV 8 Air Flow (.25″ W.C.)

Electrostatic Air Filters for homes, business, schools, apartments, hotels and industrial

Durable and sturdy galvanized metal backing.

Made in the USA. For optimal performance, recommended to change at least every 3 months.