16_1/4x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Treatment Versatile use – stock solution

Versatile use – stock solution able to be diluted as needed

60Hz 3A 330W (US)

01 buffer Warranty 2 years

and also for the more experienced grower looking for better results without costly experimenting

• Dimensions: 9” tall

16_1/4x21_1/2x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Water Treatment Versatile use – stock solutionNordic 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