ducting
allegro 9600 01 ventilation duct connector 16 in
duct to duct connector construction galvanized steel outlet size 16 in . for use with confined space duct color silver br b features b ul li color silver li li dia . in . 16 li li for use with confined space duct li li item duct to duct connector li li construction galvanized steel li li outlet size 16 li ul
allegro