www.phcppros.com/articles/5135-lead-free-double-male-reducing-adapters

Lead-free double male reducing adapters
March 25, 2017
The male standard thread-double male reducing adapters are made of lead-free cast brass in compliance with the federal SDWA. Male National Standard Thread (MNST) x Male Iron Thread (MIP) adapters have a CWP pressure rating of 300 psi and a temperature rating of 180 F. They are available is six sizes ranging from 1 inch MNST x 1 inch MIP up to 2 ½ inches MNST x 3 inches MIP. Matco-Norca.