14x16x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Led Some cultivars and growing conditions

Some cultivars and growing conditions may require higher doses of Calcium

Introducing Flowers in the Vegetative stage will ensure a robust product down the road

*Day Spectrum

Case Quantity is: 25

however even the best components can wear down

14x16x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Led Some cultivars and growing conditionsNordic Pure Custom MERV 7 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