This item is made to order, non-returnable, and ships within 1 business day. Please check the actual dimensions listed below prior to ordering.
MERV 11 18x18x1 Furnace Filter Overview
- MERV 11 rated per ASHRAE test standard 52.2
- Actual dimensions of the filter are 17.75" x 17.75" x 0.75"
- Long-lasting value package
