Original Pentax spare part for Pentax and Foras water pumps. Suitable for the pump models:BMVB-6/22 230/400-50 IE3 (QF700026040Z),BMVB-6/22 400/690-50 IE3 (QF700026060Z),BMVC-4R1/22 230/400-50 IE3 (QF700034240Z),BMVC-4R1/22 400/690-50 IE3 (QF700034260Z),BMVD-3/22 400/690-50 IE3 (QF700043060Z),BMHB-6/22 400/690-50 IE3 (QF710026060Z),BMHC-4R1/22 400/690-50 IE3 (QF710034260Z),BMHD-3/22 400/690-50 IE3 (QF710043060Z)We sell only Original spare parts from the manufacturer. Do not use analogue parts that could damage your pump.