DMJ3-172 5 3 230/460 16.8/15.2/7.6 12/14, 2-1/2”: Cast Iron Self-Priming Centrifugal Commercial Pool Pump - D Series™- Especially designed for commercial and public swimming pools and spas, aquatic facilities, water parks and fountain applications where high performance and self-priming characteristics are desired. These self-priming, high performance pumps are available in high head and medium head models, providing a complete range of performance characteristics. Motors are open drip-proof, continuous duty rated 3450 RPM. Certifications - The D Series™ models are certified to meet the requirements of NSF Std. 50 with strainers installed.Pump models DO NOT include hair and lint trap.