Blue-White A-002N-7T Pump Tube, 7/16″ Review AuntWrecker April 2, 2018 August 4, 2018 No Comments on Blue-White A-002N-7T Pump Tube, 7/16″ Review This fits your . Make sure this fits by entering your model number. Blue-White 7/16 Replacement Tube Blue White – Pump Tube, .43″ OD., Compr.