Lennox X8311 -20″ x 20″ x 5″ Healthy Climate HCXF14-11 Expandable Filter MERV 11
When your health and comfort is at stake, purchasing the right product is an important decision! Actual Filter Size: 20″ x 19-3/4″ x 4-3/8″. Nominal Filter Size: 20x20x5. Let us know how we can serve you.