Bacharach 0019-0473 Refrigerant Probe Tip, Blue The Informant 2 leak detector allows pinpoint detection of both refrigerant and combustible gas leaks with the same instrument Swap sensor tips within seconds and never worry about adjusting sensitivity levels Replacement part for Informant and Informant 2 Image shown may NOT be accurate - Some show devices instead of parts; This is a PART, not the whole device