Offered with or without a protective cage, this non-mercury float switch utilizes mechanical contacts for reliable bilge pump activation. Includes 3', tinned wire leads. May be mounted apart from pump or snapped into base plate of Shurflo 380, 500, 700 and 1000gph pumps. 4.4"L x 3.6"W x 1.3"H. For use with 12V and 24V DC pumps. ABS plastic.