Williams Heat, Air & Refrigeration, Inc., keeps a supply of 20″ x 25″ x 5″ filters that are used in many brands of whole house air filtration units. If you would like to re-order filters for your unit, we carry the MERV 11 rated filters (the kind we recommend). These filters last anywhere from 6 to 12 months.
Contact us by phone or e-mail for current prices on MERV 11 rated 20″ x 25″ x 5″ filters or use the convenient FILTER ORDERS page to order them directly from Amazon.
Call Monday-Friday 8:00 a.m.-5:00 p.m.: 706-219-2157