Reducer 2 3 4 6 8 10 12 -19mm 1/16" 1/8" 1/4" 3/8" 1/2" 3/4" Inch OD Tube Compression Union Fitting PTFE Coupler Connector LABHome Improvement > Plumbing$2.86 (≈ CA$4.00)$3.37In stockSold by AliExpress WWTo Store