22x29x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Water Heaters Chillers Revolutionary new membrane technology with

Revolutionary new membrane technology with increased flow rate and the ability to run at pressures as low as 20 psi

commonly known as “red wigglers” and technically known as Eisenia fetida

a 30 second preset time delay between the 2 lighting outputs to reduce start-up surges/high in-rush currents

Choose this ballast for its versatile 120V/240V capability (120V cord included

22x29x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Water Heaters Chillers Revolutionary new membrane technology withNordic Pure Custom MERV 7 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