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.Exclusive Ring-Lok Strainer allows "tool free" access to the strainer basket.Large 116 cu.inch strainer basket provides more debris capacity and less frequent cleaning.High efficiency impeller-diffuser for increased performance and priming capacity.Self-priming.Corrosion-resistant case, made of reinforced thermoplas