28x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl-athena Contains polysaccharides folded into a

Contains polysaccharides folded into a matrix fortified with an emulsion of trace minerals acting as a compensator as lowering sunlight levels at the end of the season precipitate drops in photosynthetic rate and ATP (plant sugar) production

Their smart design with grip edge allows easy handling

Watts: 110W

For Preventative Maintenance – Dilute 1/2 oz

Mix at time of planting or soil amendment

28x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl-athena Contains polysaccharides folded into 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