Brand new Eberspacher / Espar Airtronic S2 D2L 12v Air Heater Kit , upgraded Airtronic D2
Latest 2019 version - Highly recommended with EASYSTART PRO CONTROLLER
New Model with less noise and more capabilities. Integrated high altitude sensor allows you to operate this heater in higher altitudes. Blower fan produces less noise and clicking pump is no longer an issue.