25x28x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Growing Media - OMRI listed (accepted for

- OMRI listed (accepted for organic gardening)

with a number of techniques that can serve for very small batches

Features soft start technology

as it does all that work for you

you get all-day clean and fresh scented air

25x28x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Growing Media - OMRI listed (accepted forNordic Pure Custom MERV 10 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