15x19x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack nutrients and supplements allowing the plant increased access

allowing the plant increased access to this important macro nutrient

while its patented double-wall design helps to keep it running cool

* Without prey

BT NOW is most effective when applied during the active feeding stage of larval life

15x19x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack nutrients and supplements allowing the plant increased accessNordic 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