20x26x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Hydro Systems This machine can replace up

This machine can replace up to 160 human trimmers without sacrificing quality and will harvest up to a whopping 40 lbs dry (200 lbs wet) per hour of use

• Freezer-to-Cooking safe

Perlite #3 can be used as a stand-alone medium in drip systems or as a mix-in element with other growth mediums

Torched is formulated with natural ingredients—Clove Bud Oil

20x26x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Hydro Systems This machine can replace upNordic 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