13_1/4x13_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack New-releases webworms and various other species

webworms and various other species of caterpillars

not just the genus Liriomyza

Field growers should apply Z7 at first planting and whenever possible thereafter

5-inch Ginga Style Pruning Saw with sheath and replaceable blade is one awesome saw design

Active Air Premium Ducting is perfect for the air-cooled reflectors in your grow room

13_1/4x13_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack New-releases webworms and various other speciesNordic Pure Custom MERV 13 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