CLICK HERE TO SEE PRODUCT VIDEO

Fantech Low-Profile Elbow for 4" Duct (FEL 4). Heavy-duty plastic 90º mounting collar/elbow for use in 2 x 4 stud walls. Use with 4-inch duct. With half-inch drywall lip already set, just nail in place and connect duct. Low depth profile makes this elbow the perfect solution for sidewall ventilation within a wall partition.