26x30x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Cone Filler Provides all nutrients required for

Provides all nutrients required for reproductive growth when used in combination with bloom part a

potassium (K)

pouch is ideal for the essentials

Passes ASTM F1670 testing for blood penetration

This carbon adsorbs VOC's (volatile organic compounds) therefore trapping every odor molecule that passes through the filter onto the micro-porous carbon surface

26x30x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Cone Filler Provides all nutrients required forNordic 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