17_1/4x17_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack hawthorne • They are still height

• They are still height adjusting (extension kit not included)

- Durable stitch reinforcement at major stress points

the ergonomic design conforms to your body

Produces more PAR per watt than standard Metal Halide

5 Liters (1

17_1/4x17_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack hawthorne • They are still heightNordic 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