28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Ventilation 75-1 kg/ha)

75-1 kg/ha)

B-Lite 315W CMH 4000K Red Enhanced

Independently adjustable wings

330mm/13-inch

Now available at Hydrofarm

28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Ventilation 75-1 kg/ha)Nordic 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