MSA SCBA Air Pack Harnesses (This is for 5 air pack harnesses)

Description

This is for a package of 5 harnesses.
Custom 4500/ Ultralite MMR SCBA Open-Circuit Pressure-Demand, Entry and Escape Self-Contained Breathing Apparatus or Combination Self Contained Breathing Apparatus and type C Supplied-Air- Air Respirator
These units appear to be in great shape and and not used. I do not know the working condition of the items or anything else about them.
WorkMask SCBA
Dual Purpose MMR
I do not have masks or cylinders for these.