This is a replacement power pack for Corning® Slow-Speed Stirrers (SS2L, SS10L, SS4R, SS4L and SS10R), Submersible Stirrers (IM75 and IM150) and Multiple Position Stirrers (MP4L, MP5L, MP9L and MP4R). It operates on 120V/60Hz and is UL approved to meet ne