20_1/2x25_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack shoe-cover seamless shoulder area resists tears

seamless shoulder area resists tears and provides more protection in key exposure area

Amino acids are the basic building blocks for proteins and enzymes

gain sustainability

Zyme can be used throughout the life of the plant weekly or every other week at a rate of 1 cap per 10 gallons of water

providing plants with natural minerals

20_1/2x25_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack shoe-cover seamless shoulder area resists tearsNordic Pure Custom MERV 10 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