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organic way for growers to supplement their regular feeding programs
000 hour life expectancy (8760 hours in a year—replacement every year is recommended)
• Plays a major part in stem and leaf growth
or other supports without damaging the delicate stems and plant tissue
) and durable and easy to clean
15x30_3/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack water-filtration organic way for growers toNordic 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