28x28x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_cp The valve has 3/4" NPT

The valve has 3/4" NPT outlets that can be used to attach the valve inline with your existing plumbing or you can use the supplied ½" hose barbs to make the connection

A superior natural source of plant nutrition

To create the most advanced spectrum for complete physiological plant growth

*OTHER COMPONENTS SOLD SEPARATELY

28x28x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_cp The valve has 3/4" NPTNordic Pure Custom MERV 14 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