20x26x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack LED Fertigation Directions:

Fertigation Directions:

Our Plugs are engineered for moisture retention and aeration for ideal rooting and growth

GROW1 Lowride Flood Trays are perfect for use in areas that require precisely measured components

Dose rates above are not for use in CA

20x26x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack LED Fertigation Directions:Nordic 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