17x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack tents-/-indoor-greenhouses The Zenport E-Pruner

The Zenport E-Pruner

and vigorous early growth in both stem cuttings and seedlings

For older model PowerHouse Ballasts

125”) x 20 mm (0

and uniform Grodan product

17x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack tents-/-indoor-greenhouses The Zenport E-PrunerNordic Pure Custom MERV 14 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