Rubber Hose Barb Fitting Reducer Adaptor - 1/2" to 3/8"

Brass hose reducer fittings. Use this with vacuum or fuel hose to enlrge or reduce to a different hose size. Choose from:

1684= 5/8" to 1/2"

1685= 3/8" to 5/16"

1686= 1/2" to 3/8"