26x30x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack lighting_accessories Once you are done using

Once you are done using the extra space simply Roll-UP the fabric for a more compact bag

Water-cooling is much more effective and efficient than air-cooling

Shake well before use

highest par/lumen output(430umol@12")

Ideal for after planting stem cutting when the first roots are visible

26x30x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack lighting_accessories Once you are done usingNordic Pure Custom MERV 12 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