14x18x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack flowering Dimensions: 22L x 2

Dimensions: 22L x 2

Repeat applications every 7-10 days until pest problems subside or your desired outcome is achieved

full spectrum for optimal plant health and vigor throughout the lifecycle

as it does all that work for you

It’s fully rechargeable using any powered Micro USB cable

14x18x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack flowering Dimensions: 22L x 2Nordic Pure Custom MERV 12 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