Flexible Coupling, For Pipe Size 6" x 6": Pipe Fittings: Amazon.com: Tools & Home Improvement
Source 6 inch industrial hose joint piping braided flex pipe connector on m.alibaba.com
Zoro Select Flexible Coupling, For Pipe Size 6" x 3" 1056-63 | Zoro
Fernco 6 in. Flexible PVC Coupling Fittings & Connectors P1056-66 - The Home Depot
Fernco 1056-66 6-in. Flexible PVC Pipe Coupling for Cast Iron/Plastic/Steel Plumbing Connections in Black - Pipe Fittings - Amazon.com
PWHS - Z-Flex 2ZIKXXX0406 4 Inch Flexible Chimney Liner - 4 Inch x 6 Foot Gas Insul-Vent Double Wall Insulated Vent - Connector Kit
Fernco - 6 x 4″ PVC Flexible Pipe Coupling with Clamp - 82978784 - MSC Industrial Supply
HVAC OV 6" inch Plastic Straight or Flexible Pipe Flange for Extraction Fans, Heating and Cooling Duct Connection. Round Duct Connector Flange - Amazon.com
Fernco 6-in Schedule 40 PVC Coupling in the PVC Pipe & Fittings department at Lowes.com
PVC, For 6 in Pipe, Flexible Coupling - 53UE48|DX1001-66 - Grainger
Fernco - 6 x 3″ PVC Flexible Pipe Coupling with Clamp - 82978776 - MSC Industrial Supply
Vent Systems 6" Inch Elbow 90 Degree Duct Pipe Connector Flexible Round Tube Ventilation Hose ABS Plastic 150 mm - Amazon.com
1-1/2 inch Flexible PVC Elbow Coupling with Stainless Steel Clamps - Walmart.com
IMPERIAL 6-in Galvanized Steel Flexible Duct Connector in the Duct Transitions & Connectors department at Lowes.com