3" Flex/MC/AC Straight Squeeze Box Connectors - Zinc Die Cast PART HARMONIZED, USE #158 | Southwire
Halex 3/4 in. Standard Fitting Metal Conduit (FMC) Screw-In Connector (5-Pack) 20442 - The Home Depot
Appleton 7484 - Flexible Metal Conduit Connectors
TT FLEX Stainless Steel Corrugated Water Heater Connector Flexible for Water Heater Water Softener,3/4" FIP x 3/4" FIP, 24" Length (2 Pack) - Amazon.com
Sigma ProConnex 1/2-in 90-Degree Flexible Die Cast Zinc Squeeze Connector Conduit Fittings in the Conduit Fittings department at Lowes.com
Fuzbaxy 6FT 1/2-Inch Alflex-Type RWA Reduced Wall Metal Aluminum Flexible Conduit with 2PCS Flex Squeeze Connectors Kits-US Listed - Amazon.com