GE Merlin Aquatec Booster Pump 1240632 Increases pressure to your water filtration system, water using appliances, or other outlets. Especially great for use with tankless RO systems (i.e. Merlin & Evolution systems) 5 chamber, variable speed, 3.0-4.0 GPM pump with 65 PSI pressure setting Includes a pair of 1/2" quick connect fittings for easy connection (smaller connection sizes are available) Standard 110V two-prong plug with 6-foot power cord (220V available by special order)