15x19x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Nutrients THE GREEN PAD may be

THE GREEN PAD may be one of the most inexpensive and innovative ways to get the good gas to your plants

6 Individually-Controlled 110V Outputs

Utilizing twice the amount of photon flux output (2000 umol/s) than the GC-500w CMH lamp

Maximize growth

a 120V wall outlet is required

15x19x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Nutrients THE GREEN PAD may beNordic 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