Vertical 90 bend with smaller radius for ducting (partly) within the furniture (for a 65cm worktop depth) 90 flat duct bend element (male) in vertical configuration with small radius Aerodynamically optimised design to minimise pressure loss and maximise air flow rate. Easy-to-cut + easy-to-connect via the female connector sleeve element. The element complies with the Needle Flame Test (according to IEC 60695-11-5) + the V2 flammability class (according to UL94).