Straight Extension Coupling
Plumb Pak | PP55-4W | 1.5 in. D Plastic Straight Extension Coupling
Plumb Pak | PP812-15 | Flex N Fix 1-1/2 in. D X 6 in. L Plastic Straight Extension Coupling
Plumb Pak | PP134 | 1-1/2 in. D Brass Straight Extension Coupling
Plumb Pak | PP169 | 1-1/4 in. D Brass Straight Extension Coupling
