17_1/8x34_7/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack refurbished-products Ginormous was specifically formulated to

Ginormous was specifically formulated to help your favorite plants yield the largest fruits

Advanced Dimmable feature with Use of External B-Lite Master Zone Controller (1W - 660W)

7V | Red = 4

Maximum Height: 12

The model nomenclature (5XY: X = voltage

17_1/8x34_7/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack refurbished-products Ginormous was specifically formulated toNordic 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