1.125" 1.75" 2" 2.5" 3.25" Aluminum Hose Adapter Joiner Pipe Connector Silicone AU $5.56 to AU $11.70
3Ply 2"/2.25"/2.5" To 1.5''/2" Straight Reducer Silicone Hose Coupler Pipe black AU $10.74 to AU $14.39