14x18x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Plant Support flicker-free performance that will be

flicker-free performance that will be good for your plants for years to come

Ships flat in a compact box and weighs only 7 lbs

every nutrient decision matters

The Heavy Duty Plant Strapper lets you easily and safely attach stems and branches to support stakes

Increase release quantity for moderate to severe infestations

14x18x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Plant Support flicker-free performance that will beNordic 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