JMF 1/2 x 3/8 Red Brass Pipe Thread Reducing Coupling

1/2 x 3/8 Red Brass Pipe Thread Reducing Coupling. Use to reduce your gas line from 1/2 NPT to 3/8 NPT. (Or to expand from 3/8 to 1/2.)Red brass is used for outside fittings as black pipe fittings will rust more quickly.This piece is threaded female on both ends. To convert back to a male end, you will need a 3/8 nipple. (See related items.) (Or a 1/2 nipple if you're expanding from 3/8 to 1/2.)