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Factory Price Pre-Insulated PVC Invisible Flange Joint for HVAC Air Duct System
2025-04-13
introduction 2010
PVC invisible flange
GB
Threaded Connection Flange
PVC
Flanges
Flanged
Grey
Fire Proof
4meter/Piece
80mtr/Package
GFI
Carton
4meter length
Fujian, China
39162090
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