Bubble Test Arrangement – ‘Bubble Point Test’ is a non-destructive test to check the intergrity of the membrane filter, before and after the filtration. The bubble point is the pressure required to force air through the pores of a wet filter. If a membrane cannot with stand the pressure below bubble point level, it Indicates leak in the filter. A built in system for bubble testing can be provided with the membrane holders by in building a set of liquid & air control valves