14x18x1 (Actual) Air Filter (Furnace Filters, AC Filters). AFB Silver MERV 8.

14x18x1 (Actual Size) MERV 8 Pleated Air Filter / Furnace Filter for premium home use. AFB Silver pleated filters are the perfect standard replacement filter for your AC unit or furnace. Designed to last 3 months (vs. 1 month for your average store bought filter), the AFB Silver filter is best replacement for an average AC or furnace. The AFB Silver air filter is made using Merv 8 Kimberly Clark media, attached to an expanded wire metal backing using a glue adhesive. The frame is a 24-point beverage board, ensuring moisture does not cause the frame to buckle. AFB pleated filters are 100% made in the USA using only USA manufactured components. AFB filters offer top performance at a fraction of the price.