The 1.25" BSP non-displacement hull tube provides a through-hull mount for Maretron TLM100 and TLM150 tank level monitors, enabling reliable tank-level monitoring with minimal flow disturbance.

• 32 mm (1.25") BSP thread
• Compatible with Maretron TLM100 and TLM150 tank level monitors
• Non-displacement design reduces flow disturbance
• Provides a through-hull mounting point for TLM series tank level monitors
• Fits standard 1.25" BSP fittings for straightforward replacement or retrofit
• Compact form suitable for recreational and commercial craft

Sold as an accessory for TLM100/TLM150 installations or as a spare hull tube for tank-level applications.