25x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack double-ended Dual Arc technology brings full

Dual Arc technology brings full spectrum and offers you the privilege to grow plants from vegetative to flowering stages to maximize yields

Integrated Max-Fan™and acoustic foam liner for maximum sound adsorption

Do not mix with live microorganisms EXCEPT Bacillus amyloliquefacines

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the 1000W DE delivers the ultimate light output

25x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack double-ended Dual Arc technology brings fullNordic 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