SKU: 36085486661
Pay in 4 interest-free payments of $25.45 Learn more
Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
FIFRA 25(b) exempt
or as frequently as every watering
Super strength and stretch - no tearing
then tuck away safely for storage or transport
5 ML per gallon will treat 1
21x23_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Grow Light Bulbs FIFRA 25(b) exemptNordic 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