Oneyijun 100-200mm ABS Ducting Reducer Round Pipe

PATIKIL 8" Duct Connector Flange, Dryer Vent

PATIKIL 4" to 3" Duct Reducer, 4 Pack Duct

PATIKIL 4.5" to 2" Duct Reducer, Duct

PATIKIL 7" to 6" Duct Reducer, ABS Ducting

PATIKIL 10" to 8" Duct Reducer Connector,

Sleek design of a duct adapter compatibility

Amentalove Round Ducting Reducer 150mm to 100mm

Vyooxcy 6 to 4 inch Duct Reducer, Air Duct

URHRHU Reducer for Extractor Bonnet Round Pipe

FUBESK Round Ducting Reducer 75/100/120/150/200mm,