6x30x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack coco Set Output level: 50-115%

Set Output level: 50-115%

By using a bottom flood on the first wash

It performs best in hydroponic systems and coco coir media

Twister Trimmers are designed for continuous flow runtime

Z7 is super concentrated and economical for indoor and commercial growers

6x30x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack coco Set Output level: 50-115%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