Fill and drain your Straight Line Sumo, Big Bag and Launch Pad wakeboard ballast bags at dizzying speeds with the Launch Pad Sumo wakeboard ballast pump. Rated at 1,300GPH, you''ll be filling your bags at almost 180 pounds per minute! Even Launch Pad''s 900 pound Sumo V Surf Sac won''t stand a chance. The Sumo pump features molded in LINK connections, which make attaching the pump a breeze, and ensure you won''t spill any water in the boat thanks to the integral check valve system. If you want to fill Launch Pad LINK equipped ballast bags as quickly as possible, look no further than the Sumo wakeboard ballast pump. NOTE: Due to the proprietary fittings used on this ballast pump it should only be used to fill and drain Launch Pad and Sumo brand wakeboard ballast bags equipped with LINK fittings.