18x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack grow media Updated locking signal and data

Updated locking signal and data cables

Automatic Shut-off– User-selectable time until meter shuts off to conserve battery life

000-hour service lifetime means less frequent lamp replacements - reducing labor and operational expense

Item # Description ANSI Initial Lumens CCT Bulb Shape CS/QTY PX-MH1000/DE/10K Plantmax – 1

this mix is intended to dry quickly and accept immediate feeding

18x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack grow media Updated locking signal and dataNordic 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