Rectangular to round duct adapter 110x54 mm to 90 mm – ventilation duct transition, socket/spigot

Rectangular-to-round adapter, 110 × 54 mm to 90 mm. The cross-section changes from rectangle to circle in one piece. Socket on the rectangular end, spigot on the round end. **Picture 1:** multi-view drawing with all dimensions and cross-sections. **Picture 2:** the part as a render. **Picture 3:** a section view. ## Dimensions (mm, measured on the CAD solid) | Dimension | Value | |---|---| | Nominal size, rectangular end | 110 × 54 mm | | Nominal size, round end | 90 mm | | Inside dimensions, r…

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