Sealproof Non-metallic Liquid-Tight Conduit and Connector Kit, 1/2-Inch 25 Foot Flexible Electrical Conduit Type B with 4 Straight and 2 90-Degree Conduit Connector Fittings, 1/2" Dia - - Amazon.com
Halex 1/2 in. Service Entrance (SE) Water tight Conduit Connector 90661 - The Home Depot
What Are Electrical Conduits & Conduit Fittings -? D & F Liquidators