Photo 1 of Vent Systems 3.15 4 5 6" inch Plastic Duct In-Line Reducer - Increaser - Connector - Universal Adapter - Hose Pipe Reducer HVAC PVC ABS Plastic 80-150 mm - Pack of (1)

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Photo 1 of Vent Systems 3.15 4 5 6" inch Plastic Duct In-Line Reducer - Increaser - Connector - Universal Adapter - Hose Pipe Reducer HVAC PVC ABS Plastic 80-150 mm - Pack of (1)Photo 2 of Vent Systems 3.15 4 5 6" inch Plastic Duct In-Line Reducer - Increaser - Connector - Universal Adapter - Hose Pipe Reducer HVAC PVC ABS Plastic 80-150 mm - Pack of (1)