Spec Sheet Which Style of Elbow is Most Efficient? Item Codes: ADHEP-TV Aero-Dyne 3″ Radius HEP Vane 10 Ft. Lengths- 20 pcs per carton ADHEP-R Aero-Dyne Rail 100 Ft. Coils w/fasteners Many hospitals and performing arts centers specify the Aero-Dyne HEP Turning Vane for improved acoustical performance and room noise. Conklin stocks the 3″ Vane in 10′ lengths and the 100′ Coils of Rail.
