Suitable for many marine applications. The lift muffler was developed for installation in boats where the engine or genset is below the waterline and the engine gases had to be lifted above the water line to be drained. The Vernalift can be installed for marine use where the engine or generator is either above or below the LWL. Offered in "Side in/Top out" or "Top in/Top out" configurations. Exceeds ABYC requirements for generator applications. ABS-Type Certified. See chart for model configuration.