The Spears 1435 series tube fitting is made of gray polyvinyl chloride (PVC) plastic and connects schedule 40 polyethelene (PE) pipe to threaded pipe conforming to the National Pipe Thread (NPT) stand..
This Spears 1436 series tube fitting is made of gray polyvinyl chloride (PVC) plastic and has a male National Pipe Thread (NPT) thread on one end and a barbed insert on the other for connection to AST..