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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
Not for use on food or feed crops
Derived from a natural source
These professionally formulated nutrients provide high performance ingredients in a simple to use program
Stem Mildew
- 30-year warranty
20x28x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack special-order Not for use on foodNordic 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