Merit Brass 6520245 3/4" X 1/2" Brass Extension Coupling Lead-Free

3/4" X 1" Brass Extension Coupling Lead-Free

3/4" X 3/4" Brass Extension Coupling Lead-Free

4" X 3" Brass Coupling Lead-Free

3" X 2" Brass Coupling Lead-Free

3" X 2 1/2" Brass Coupling Lead-Free Lead-Free Brass 125# Threaded Reducing Coupling, UL, 100% air tested & Independent lab verification of applicable chemical & physical properties.