44mm black silicon fresh water pipe / hose. Custom made as per original Mermaid spec.
See photos for technical drawing, hose is item 4 on this drawing and 3 are required per engine.
For Mermaid Marine engines:
Mermaid Mariner
Mermaid Mistral
Mermaid Majestic
Mermaid Monarch
Mermaid Turbo-Plus