17x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack propagation trays How to use Alg·A·Mic™

How to use Alg·A·Mic™

it stays remarkably cool

How does the Trim'R-matic work

• Reduce fungus and bacterial damage

The Quantanium dry tumbler is a resistant to damage and the non-stick properties prevent trichomes from sticking to its surface

17x28x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack propagation trays How to use Alg·A·Mic™Nordic 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