17_1/8x34_7/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Bugs may return (as is

Bugs may return (as is possible with any insect control)

Grow A optimizes vegetative development by helping the plant take in and break down nitrogen sources

Packing: 50 units per case

more aromatic flowers

3" wide drill access points on all four walls for installation of inlet and outlet fittings

17_1/8x34_7/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Bugs may return (as isNordic 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