Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models: BMVA-6/11 400/690-50 IE3 (QF700016060Z),BMVB-3/11 400/690-50 IE3 (QF700023060Z),BMVC-2R1/11 400/690-50 IE3 (QF700032260Z),BMHA-6/11 230/400-50 IE3 (QF710016040Z),BMHA-6/11 400/690-50 IE3 (QF710016060Z),BMHB-3/11 400/690-50 IE3 (QF710023060Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.