Duct Reducter 6 to 4 Air Ducting Reducer Increaser

Vent Systems 200 to 150 mm / 8" to 6" Inch

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

PATIKIL 7" to 6" Duct Reducer, ABS Ducting

PATIKIL 6.5" to 6" to 4.6" Duct

PATIKIL 8" to 4" Duct Reducer Connector, 2

PATIKIL 10" to 8" Duct Reducer Connector,

PATIKIL 6 Inch to 5 Inch Duct Reducer, Galvanized

PATIKIL 6 Inch to 3 Inch Duct Reducer, 2 Pcs

PATIKIL 6 Inch to 4 Inch Duct Reducer, 2 Pcs

PATIKIL 6 Inch to 3 Inch Duct Reducer, Galvanized