Mirror Mylar Extension Back

BX(TYPE)M-(NW)(NH)
BX….. Extension Back
TYPE….. P=Pegboard, H=Hardboard
M…..Mirror
NW…..Nominal Width 3′ or 4′
(914 mm or 1219 mm)
NH…..Nominal Height
06″ to 54″ in 6″ increments
(152 mm to 1372 mm in
152 mm increments)