Harmann PIRAX jet fan suspended from an aluminium truss

Photo: Mariusz Młynarczyk / CloudAir.tech

A Harmann PIRAX jet fan with a black and red casing and a wire inlet guard hangs from an aluminium truss. Temperature rating symbols for 300°/2h and 400°/2h appear beside the PIRAX name, with a galvanised fan partly visible on the left.