Carvin SERIE'S FEATURESPatented air-cooled heat sink allows pump to run dry without damage to shaft seal. UNCONDITIONAL ONE-YEAR WARRANTY AGAINST SEAL FAILURE.Diffuser-case fit plus "pry" tabs allow for simple assembly or disassembly.Exclusive Ring-Lok Strainer allows "tool free" access to the strainer basket.High efficiency impeller-diffuser for increased performance and priming capacity.Self priming hydraulic design provides suction lift up to 10' (3 m) above water