20x26x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack cube and Perionyx excavatus — each

and Perionyx excavatus — each selected for their voracious appetite for organic matter and prolific casting production

Fits Powerhouse (all)

and can be tucked beneath a grow table or rolling bench with ease to allow for easier navigation and maintenance

Our specially formulated LED camera lens ideally balances the light output of popular LED lights

20x26x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack cube and Perionyx excavatus — eachNordic Pure Custom MERV 14 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