15x17x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs The ARC CMH 315W system

The ARC CMH 315W system is a complete

5 million - 1

and waterproof pocket tester that measures pH

Keep your productivity high and your risk level low when you wear our comfortable ValuGuard MP™ Coveralls

Now more than ever

15x17x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs The ARC CMH 315W systemNordic 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