15x19x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack cloning-and-seed-starting Delivers essential nutrients during bloom

Delivers essential nutrients during bloom phase

ornamentals and turf

Its USB interface enables connection with the Autopilot PX1 Digital Lighting Controller

• Easy to maintain due to high-quality components and few moving parts

15x19x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack cloning-and-seed-starting Delivers essential nutrients during bloomNordic 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