6" B VENT ADAPTER FOR CHIMNEY LINER (SOLD AS 6 PER BOX)

6" B VENT ADAPTER FOR CHIMNEY LINER, MATERIAL:GALVANIZED STEEL, WALL:DOUBLE, TYPE:B-VENT, DIMS:6-1/2"H X 6-1/2"W X 6-1/2"D, WEIGHT:1LB, ORIGIN:MEXICO (SOLD AS 6 PER BOX)