15_1/4x15_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack reflective-and-greenhouse-films Use MICROBE Life Phosphate Supplement

Use MICROBE Life Phosphate Supplement regularly to promote lush vegetable and plant growth or as needed in response to phosphorous deficiency

kelp and B1 to give growers a balanced product that combines the best of both worlds

which is ideal for hydroponics

Visible results in 1-3 days

6" diameter by 20" long accommodates most lamp types up to 1000W

15_1/4x15_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack reflective-and-greenhouse-films Use MICROBE Life Phosphate SupplementNordic Pure Custom MERV 12 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