23x25x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack gavita • Use High Altitude model

• Use High Altitude model at 4500 ft elevation or above

100 µmol/s

Medium - 1000 N

maintains potency

CocoTek nutrients are designed for Coco and will work well with any growing method and media

23x25x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack gavita • Use High Altitude modelNordic Pure Custom MERV 10 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