20x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack X Nutrients bloom Receive wireless monitoring data from

Receive wireless monitoring data from all Bluelab Connect devices to your computer and smartphone or tablet

CES BLOOM is the second component of the base three part blooming formula

The air-cooled design removed up to 60% of the heat load in grow room facility enviroments

Enclosed design reflector

Emerald Rootz is carefully formulated to meet the needs of professional growers

20x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack X Nutrients bloom Receive wireless monitoring data fromNordic 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