13_1/4x13_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack New-releases Upgraded Full Spectrum: Idea for

Upgraded Full Spectrum: Idea for all growth stages- from veg to bloom

Active Air Premium Ducting is perfect for the air-cooled reflectors in your grow room

refreeze the ice pack included and store in the shipment container

Field growers should apply Z7 at first planting and whenever possible thereafter

making these gloves suitable for use in a range of environments

13_1/4x13_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack New-releases Upgraded Full Spectrum: Idea forNordic Pure Custom MERV 13 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