17_1/4x23_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack fans-ventilation-ducting Helps prevent wind damage and

Helps prevent wind damage and thefts

Crafted with durable stainless steel

Not anymore

- 400/600/1000 Watt

000 eggs per 2

17_1/4x23_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack fans-ventilation-ducting Helps prevent wind damage andNordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition