Stock Duct Markers
Color coded self adhesive duct markers include a die cut or detachable directional arrow. Brimar advises the application of markers near points where ducts enter into concealed spaces and at maximum intervals of 50 feet in each space where ducts are exposed or concealed by removable ceiling system.
Color classification for duct markers is as follows:
Green for cold-air supply ducts
Yellow for hot-air supply ducts
Blue for exhaust-, outside-, relief-, return-, and mixed-air ducts.
Markers are available in 2 sizes: DMS-16 x 2-1/4" and DML-24" x 4"