PATIKIL 5 Inch to 4 Inch Round Duct Reducer

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

PATIKIL 6.5" to 6" to 4.6" Duct

PATIKIL 160mm/6.3" Duct Connector, Galvanized

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

PATIKIL 8" to 4" Duct Reducer Connector, 2

PATIKIL 10" to 8" Duct Reducer Connector,

PATIKIL 7" to 6" Duct Reducer, ABS Ducting

PATIKIL 10 Inch Duct Connector Flange, Metal

PATIKIL 8 Inch to 3 Inch Round Duct Reducer

PATIKIL 8 Inch to 6 Inch Round Duct Reducer