Collection: 18x18x1 Furnace Filters
18x18x1 Furnace Filters in MERV 8 MERV 11 and MERV 13
- 18x18x1 Merv 8 Pleated AC Furnace Filter - Case of 6
- Regular price
- $ 47.99
- Sale price
- $ 47.99
- Regular price
-
$ 79.95
Sold out - 18x18x1 Merv 11 Pleated AC Furnace Filter - Case of 6
- Regular price
- $ 59.95
- Sale price
- $ 59.95
- Regular price
-
$ 79.95
Sold out - 18x18x1 Merv 13 Allergy Elite Pleated AC Furnace Filter - Case of 6
- Regular price
- $ 69.95
- Sale price
- $ 69.95
- Regular price
-
$ 79.95
Sold out - 18x18x1 Merv 8 Pleated Geothermal Furnace Filter - Case of 6(1)
- Regular price
- $ 47.99
- Sale price
- $ 47.99
- Regular price
-
$ 79.95
Sold out - 18x18x1 Merv 13 Allergy Elite Pleated Geothermal Furnace Filter - Case of 6
- Regular price
- $ 69.95
- Sale price
- $ 69.95
- Regular price
-
$ 79.95
Sold out - 18x18x1 Merv 11 Pleated Geothermal AC Furnace Filter - Case of 6
- Regular price
- $ 59.95
- Sale price
- $ 59.95
- Regular price
-
$ 79.95
Sold out