Wire Grid Back System for Flush Backs (BXH)

BXH-(NW)(NH)
BX….. Extension Back
H…..Hardboard
NW…..Nominal Width 3′ or 4′ (914 mm or 1219 mm)
NH…..Nominal Height 12″ to 48″ in 12″ increments
(305 mm to 1219 mm in 305 mm increments)

Finish Code
Painted Two Sides
FIN1….. Back Side 1
FIN2….. Back Side 2