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concrete or pavement
100% Natural Clay (Expanded Lightweight Clay Aggregate)
Designed for 5' on center spacing commercial overlap grid
The fans are set to exhaust out heated air out the rear and should be positioned near the top of the rack
21x21x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack tubing concrete or pavementNordic Pure Custom MERV 12 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
US$ 99.99
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