18x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Fertilizer For highly sensitive and specialty

For highly sensitive and specialty crops

Both larvae and adults are predatory and reduce the need for sprays

SINGLE SPECIES IS CAPABLE OF PERFORMING THE TASK OF MANY GENUS AND SPECIES

These leading-edge blocks have the optimal fiber structure and physical properties for crop uniformity

Western flower thrips

18x27x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Fertilizer For highly sensitive and specialtyNordic 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