25x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack vacuum pump What's the difference between the

What's the difference between the three species in the mix

10%-15% thicker than other bench trays

Clearance to plants Canopy Below 5′

Essential oil based

How soon will I see results

25x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack vacuum pump What's the difference between theNordic Pure Custom MERV 13 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