28x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl-athena but gives your plants a

but gives your plants a great early start

the Smart Lighting Controller is portable

Reapply if it rains within 24 hours of application

Their smart design with grip edge allows easy handling

and pathogens

28x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl-athena but gives your plants aNordic 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