Found 2 3D-models for “rectangular duct” across many websites

#fan#120x60#air#rectangular#hvac duct#condotto#rectangular duct#TAPPO#chiusura#rettangolare
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Cap for rectangular air ducts 120x60 mm

Cap for rectangular air ducts 120x60 mm

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HVAC Damper Servo Control Box

HVAC Damper Servo Control Box

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