12_1/8x15x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Cloning & Seed Starting Adjustable plunger tension/tightening (*for user

Adjustable plunger tension/tightening (*for user preferred plunger action)

light & fan) needed for their plants

an integrated temperature sensor

Root-Gel® is a unique gel used to promote root formation in the propagation of cuttings

Compact design minimizes interference with sun in greenhouse applications

12_1/8x15x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Cloning & Seed Starting Adjustable plunger tension/tightening (*for userNordic Pure Custom MERV 8 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