The Dolphin brand centrifugal pump is a high quality, long lasting, and energy efficient external water return pump serving a wide variety of water transfer and re-circulation applications. Designed with the highest quality materials, for dependable performance and a longer lasting product, since 1978. Proven efficiency and reliability. The best choice for closed loop systems and return pumps requiring superior performance. A dependable pond pump and aquarium pump choice.
Systems and industries that rely on Dolphin Pumps products include: freshwater aquariums, saltwater and reef aquariums, pond pump systems, commercial aquatic display systems, aquatic design and development, aquatic life support, wholesale fish distributors, fish farms, university research programs, aquaculture, aquaponic, and hydroponic commercial farming systems. Dolphin Pumps offer extreme efficiency and durability. The right closed loop pump choice.
Dolphin brand pumps are considered the most reliable and longest lasting external centrifugal pump (water re-circulation - return pump - closed loop pump) utilized in efficient system design and operations. The Dolphin Diamond Amp Master pump models are designed to easily outperform other external water pumps on the market.
ALL Dolphin Diamond Amp Master Pumps with freshwater or saltwater seals carry a 3-year warranty on seals and motors.