Modular Hard Panel Door Frame
Retrotec's ruggedized, durable hard panel frame makes for easy set-up of your blower door system. With these three adjustable panels that clamp together to hold your calibrated fan(s), you'll be able to adapt to a variety of door sizes. No matter what your application is, this highly adaptable frame will speed up the process of your air leakage test with its ease of assembly and simple adjustment controls.