21x21x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack timers-and-instruments • Tear & puncture resistant

• Tear & puncture resistant

The Bubble Magic Premium Bud Sorting Kit can sort up to a pound of material in just minutes

it also promotes robust

processed and manufactured under strict quality standards

5” x 6”

21x21x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack timers-and-instruments • Tear & puncture resistantNordic 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