Date: 9 December 2009 Dear Export Manager, We are looking level switch that can fix to the small electrolyte bubblers (bubbler size is about 7"x8"x4.5"). Please advise us that which of your switch is suitable for it (will fill electrolyte in this bubbler about 2/3 full and when the electrolyte come down to about 1/5 full, the switch should be on-warning the car owner to fill the electrolyte again to 2/3 full). Awaiting your advice and the C&F price per each unit. Best Regards, V. Charnchai Manager I want to receive: Sample Needed . Minimum Order .