One piece construction. This is the most common throat lintel available. It is made by a high temperature firing of selected fireclays.
Available in two sizes.
16": A = 440, B = 125, C = 75 (all sizes in mm).
FDC Code: SPTHL16
18": A = 500, B = 125, C = 75 (all sizes in mm).
FDC Code: SPTHL18