AmeriVent 4ESC Fixed Storm Collar, 4 in Vent Hole, Galvanized Steel

Description
Specifications
45.454.454
0.18lb
2.58in
7.64in
8.34in
AmeriVent
HVAC DUCT WORK & VENTILATION
4-1/2 in ID x 7-5/8 in OD x 1-1/2 in H
Wall
Galvanized Steel
0.18
Type B Gas Vent
4 in