10x12x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Works with Hydrofarm reflectors and

Works with Hydrofarm reflectors and most others

Available in two standard sizes

It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" - and then you can be sure your A/C air filter fits

No harmful byproducts

6' grounded cord with on/off switch

10x12x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Works with Hydrofarm reflectors andNordic Pure Custom MERV 10 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