4WT-B means Four Wire, Base mounted smoke detector with Thermal Detector in
Commercial
Similar to 4WT-B
ABM - Automatic Bottle Machine
ABN - Aluminum Brass Nickel
ABO - Alpha Boat Originals
ABPC - Alkyd Base Primer Coating
ABQR - Active Bio Quartz Ring
ABR - Abrasive Blasting and Restoration
ABS - Anti Balance System
View all in Commercial