... Peripheral Pump: MEC63 50MM STATOR LENGTH, FULL COPPER WIRE AUTOMATIC WINDING, HIGH SPEED LAMINATION, 100% LEAKAGE TESTED SQB60 ... Peripheral Pump:MEC63 50MM STATOR LENGTH, FULL COPPER WIRE AUTOMATIC WINDING, HIGH SPEED LAMINATION, 100% LEAKAGE TESTEDHead= ... for leakage50MM high speed lamination stator100% Copper wire automatic windingLow-noise bearingWe offer the stable durable performace pumpSQB series ...