4 1/2 in 90 Deg Flat Elbow White Fortress
4 1/2 in Ducting White (90 in x 4 5/8 in x 3 1/4 in) Fortress
4 1/2 Coupler
4 1/2 Tee
4 1/2 Wall Inlet
Telescoping Wall Sleeve 3" OD X 5in to 7-3/4in
4 1/2 In End Fitting White Fortress
3 1/2 in Wall Inlet White Fortress
Size 10 1/2 to 1 1/8 Dia Stainless Steel Hose Clamp
Size 12 1/2 to 1 1/4 Dia Stainless Steel Hose Clamp