PEFY-P VMHS-E-F is a device which takes 100% of the air from outside. The device is ideal for air supply of premises such as: offices, restaurants, hotels. This device offers the ability to control the temperature sent, and is also very efficient and economical as it is equipped with a DC fan. It also gives you the option of choosing air volume between normal and high, as well as unstable static pressure (100-250 Pa).