17_1/4x17_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack cococube The larvae are grey alligator

The larvae are grey alligator shaped with light colored bands running along the abdomen

40% Water Soluble Magnesium

so you stay focused all shift long

Ideal for hoop houses and greenhouses in hotter climates

Apply Tundra one to three times per week in conjunction with a typical fertilization program

17_1/4x17_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack cococube The larvae are grey alligatorNordic 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