Gaylord NC-1357A This is a rebranded EST/Edwards 270-SPO for use in some sort of ventilator system. Brand Gaylord
Amseco BZ-54VT+RSD-24L Category : AmsecoThat rubber band is holding the strobe to the unit since there are no screws keeping it secure.
Wheelock MB-G10-24-R Category : WheelockI’m missing this unit’s label, so that model number is only a guess. It’s probably right though.