13x23x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack tents-&-tarps or edible grow rooms

or edible grow rooms

regular application of Soluble Seaweed Extract will enable you to reap the benefits of the power powder from the sea

your soon-to-be go-to tool in the toolbox

• They are still height adjusting (extension kit not included)

and included 0-100% dimmer for easy control and full-cycle cultivation

13x23x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack tents-&-tarps or edible grow roomsNordic Pure Custom MERV 8 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