Premier 40 can be paired with this unit diffuser for distributing heated air inside tent with heater setup outside. This convenient unit diffuser allows heated air to be distributed inside a tented space when used with L.B. White Premier 40 portable heaters. Diffusers for portable gas heaters spread the heat to evenly warm a space. Unit diffuser connects to the output end of the heater and has blades that direct or diffuse the warmed air into a space for even heat distribution. Connects to heater fast with easy magnetic connection. No duct kit required. Optimal for applications where heater can be right next to the tented space.