7_3/4x25_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Reflectors & Grow Lights Pre-mounted double ended sockets included

Pre-mounted double ended sockets included

Perfect for 1

Quick Cal solutions to calibrate pH and conductivity all at once with a single solution

one side black (Black/Clear)

FoxFarm’s Premium Lawn formula is blended with premium ingredients like bat guano

7_3/4x25_3/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Reflectors & Grow Lights Pre-mounted double ended sockets includedNordic 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