Mag Drive Centrifugal Pump - 21GPM - 110V ACDesigned for applications that require a safe and leak free, continuous duty pump. Great for marine air conditioning circulation, Ice Makers, Hot water circulation, Livewell and Bait tank installations.Pump Head is manufactured in chemical resistant thermo-plastics - entirely non-metallic.UL listed, ignition and thermally protected fan cooled motor.Features:21.13 GPM open Flow110V AC 60Hz3/4" NPT ports for easy connection18 foot headWARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.