15x30_5/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack pots-containers Heavy-duty 7" vertical design fits

Heavy-duty 7" vertical design fits tightly onto standard 10" x 20" flats

and also for the more experienced grower looking for better results without costly experimenting

Narrow pointed anvil blade allows easy access to twiggy branches and assures a close cut to the trunk

Outside Dimensions: 23" x 47" x 5

15x30_5/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack pots-containers Heavy-duty 7" vertical design fitsNordic Pure Custom MERV 7 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