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

#Vent#3 inch#cover#collar#range#10 inch#universal collar#hood#7 inch#Ventilation
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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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