25x30x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack trays Used for harvesting up to

Used for harvesting up to 40-pounds of apples

PPF : 1560 μmol/S

you can grow with confidence

making it a major mineral needed for blooming and flowering varieties of plants

25x30x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack trays Used for harvesting up toNordic 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