The Sierra Marine 16-250-4000S Shieldsflex II Marine Exhaust Hose is a 4-inch ID, 50-foot water and exhaust hose for engine intake, bilge, scupper lines, toilet, and holding tank.
Built for marine systems that demand flexibility, strength, and durability, the Sierra Marine 16-250-4000S Shieldsflex II Hose is your solution for multi-function use aboard any vessel.
This hose is ideal for wet exhaust systems, engine and toilet intake/discharge, bilge pump lines, scupper lines, and holding tank vent and pump-out applications.
Constructed from black synthetic rubber that is abrasion-resistant, this marine-grade hose features a reinforced wire helix embedded between layers of heavy-duty synthetic cord.
It's designed to resist exhaust fumes, saltwater, ozone, antifreeze, mild chemicals, and odor permeation, with a temperature range of -20°F to 200°F continuous, and up to 250°F intermittent.
It exceeds SAE J2006 standards for ozone resistance and is trusted across the marine industry for versatile plumbing and exhaust needs.
Whether doing a repair, upgrade, or full marine plumbing install, the Shieldsflex II 250 Series Hose by Sierra Marine offers unmatched reliability and quality for your boat's water and exhaust systems.
