Sleipner Overview Categories: All Thruster Packages Sail Bow Thruster Sail Stern Thruster Power Bow Thruster Power Stern Thruster AC Thrusters DC Thrusters E Series SE Series SE IP Series SR Series SX Series SEP PRO Series SEP IP Pro Series SRP Pro Series SXP Pro Series Hydraulic Thrusters SH Series SRH Series Electrical Components Control Panels Remote Control Kits Cables & Looms Battery Switch, AMS & Fuses Motors Spares Anodes Couplings, Shearpins & Gaskets Gearlegs & Mount Brackets Propellers Relays, Interfaces & Temp Senors Solenoids Brushes Tunnels and Flanges SX Extension Blocks Bow Thruster Tunnels Stern Tunnels Stern Thruster Cowls Mould Flanges Upgrade Kits Propeller Upgrades Pro Upgrades - Variable Speed IPC Upgrades Bow Thruster Tunnels Tunnel Ø=110mm from £67.54 Tunnel Ø=125mm from £88.02 Tunnel Ø=140mm from £116.24 Tunnel Ø=185mm from £136.36 Tunnel Ø=215mm from £293.27 Tunnel Ø=250mm from £295.54 Tunnel Ø=300mm from £584.92 Tunnel Ø=386mm from £972.11 Tunnel Ø=513mm from £3,270.27 Tunnel Ø=610mm from £4,558.42