12x26_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack king - Capable to power the

- Capable to power the outlets in 2 or 4 steps with optional timer sold separately

Taped seams add an extra layer of protection

available exclusively from Hydrofarm

Fully Programmable Spectrum Control

composted dark bark

12x26_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack king - Capable to power theNordic Pure Custom MERV 7 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