Found 2 3D-models for “universal collar” across many websites

#universal#Vent#collar#HVAC#universal collar#10 inch#flange#3 inch#8 inch#cover
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Universal Hailong Collar (Fusion 360 Parametric model)

Universal Hailong Collar (Fusion 360 Parametric model)

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Decorative Pipe Collar

Decorative Pipe Collar

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