Reducing Bush F 1/8 BSPT x M 1/4 BSPT Reducing Bush F 1/4 BSPT x M 3/8 BSPT Reducing Bush F 1/4 BSPT x M 1/2 BSPT Reducing Bush F 3/8 BSPT x M 1/2 BSPT Reducing Bush F 1/2 BSPT x M 3/4 BSPT