Fernco Flexible 1-1/2 In. 90 Deg. Flexible Repair PVC Sewer & Drain Elbow (1 /4 Bend) - Parker's Building Supply
Silicone Reducing Elbow 90 degree 4.5" to 4" ID Short Radius - Gloss Black: Intake Hoses
Amazon.com: HPS HTSER90-125-150-BLUE Silicone High Temperature 4-ply Reinforced 90 degree Elbow Reducer Coupler Hose, 75 PSI Maximum Pressure, 4" Leg Length on each side, 1-1/4" > 1-1/2" ID, Blue : Automotive