All Tubing transitions, Made from 304 stainless steel for maximum corrosion resistance. This is 3-1/2" OD inlet with a 2-1/2" OD outlet and an overall length of 6". These are proudly made in the USA. Tubing transition, all transitions are made of 304 stainless steel this is 3-1/2" OD inlet with a 2-1/2" OD outlet and an overall length of 6". Universal
