16x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack -power-&-lamp-cords and no specialized labor required

and no specialized labor required

The ingredients in SNS 203 are processed in-house by Sierra Natural Science to ensure consistency and full potency in each batch

Spyder Series

The PotPro™ Pot was strategically designed to allow air flow through the top and bottom of the medium as well as excellent drainage

Once purchased

16x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack -power-&-lamp-cords and no specialized labor requiredNordic Pure Custom MERV 8 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