Non-metal junctions for plumbing pipes; non-metal connecting sockets for plumbing pipes; non-metal couplings for plumbing pipes; non-metal coupling sockets for plumbing pipes; non-metal junctions for hoses; non-metal connecting sockets for hoses; non-metal couplings for hoses; non-metal coupling sockets for hoses; non-metal junctions for fountain hoses; non-metal connecting sockets for fountain hoses; non-metal couplings for fountain hoses; non-metal coupling sockets for fountain hoses; non-m...