Bubble Blaster the new water blaster pumps can be run internally or externally.  The new pumps are reported to have zero start up issues and come with a 3 year warranty.  The pump will also have the upgraded silicone nitride shaft and bearings. Calcium will not adhere to this material.

Comes with unions in US sizes and barb fittings.

 HY-7000W 120V = 1769GPH/100w (1.25" input 1" output)