Boat owners can now realize the benefits of a user-friendly, properly-sized holding tank thanks to the Dometic 15 HTS holding tank system. Thanks to the top-mounted fittings and diptube discharge plumbing there is no need to worry about any potential leaks. Multiple discharge outlets eliminate the need for complex plumbing and extra discharge line connections. Offering straightforward, odor-free waste tank storage. The 15 HTS is available in different versions for vertical or horizontal installation.