Description
Range 74 diaphragm for Retrotec Blower Door. Precision accessory designed to establish the "Range 74" configuration in ventilation/tightness test systems. This plug allows to adapt the equipment to the proper flow range, ensuring more reliable and repeatable measurements in "blower door" type tests. Compatible with systems using the 4″ diameter and Retrotec's range plug series.
Ref.RP074
