6x12x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack reflectors and grow lights This two-part nutrient formula provides

This two-part nutrient formula provides balanced nutrition for stock plants

For spaces larger than 14' x 14'

build the strength they require

With a compact size

Mendocino Crystalizer 5-10-40

6x12x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack reflectors and grow lights This two-part nutrient formula providesNordic Pure Custom MERV 10 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