Self -priming centrifugal pumps for swimming pools. Impeller in noryl with fiber glass and AISI 303 stainless steel insert. Prefilter lid in transparent polycarbonate. Twist-lock cover, rapid access. The closing of the lid for EPSILON series is threaded with a special gasket and opening key. These pumps are suitable to be used with sea water. Direct replacement for KSE pumps by Kripsol. Unions included.