15x24x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories Numbers of ballasts per output

Numbers of ballasts per output : 100 pcs Max

430 watt long range (advance) (SPO)

How Much Do I Need

Contains no fillers

Hydrofarm's Dirt Pot Box offers value and versatility

15x24x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Growing Accessories Numbers of ballasts per outputNordic 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