Sierra 116-250-1121 Shieldsflex II Marine Water/Exhaust Hose 1-1/2" x 6-1/4'

The Sierra Shieldsflex II 116-250-1121 is a premium 1-1/2" hardwall marine water and wet exhaust hose engineered for reliable performance across a wide range of onboard plumbing applications. Built with a black synthetic rubber inner tube and outer cover, this hose delivers durability and flexibility in demanding marine environments.

Key Features:

• Wire helix reinforcement embedded between plies of heavy-duty synthetic cord for structural integrity and bend flexibility
• 1-1/2" (38mm) inner diameter with a 1-53/64" outer diameter
• Resistant to exhaust fumes, ozone, mild chemicals, antifreeze, and saltwater
• Abrasion resistant outer cover and odor permeation resistant inner liner
• Temperature rated -20°F to +200°F continuous, +250°F intermittent
• Double the ozone resistance required by SAE J2006
• Meets SAE J2006 Type R2 and ISO 13363:2004 Type 1 Class B standards for certified wet exhaust hose
• Pre-cut length of 6-1/4 feet — ready to install

Ideal for engine water intake, marine wet exhaust connections, bilge pump intake and discharge, scupper lines, toilet (head) intake and discharge, and holding tank vent and pump-out applications. The internal wire helix construction makes this hose suitable for long runs and installations requiring significant bends without kinking.

Part of Sierra's trusted Shieldsflex II series, this hose meets or exceeds all standards for type-certified wet exhaust hose, making it a direct-fit replacement for OEM and aftermarket marine plumbing systems.