Vents-US MERV 14 Filter for TwinFresh Expert RA1-50-2
Adding a MERV 14 filter to your RA1-50-2 Expert ERV will increase filtration close to 3x compared with the stock specification.
Perfect for installations where intake air quality is a concern. The Vents US MERV 14 filter will trap up to 84% of particles in the 1.0-10.0 micron range. Easy to install, easy to clean.