Our new and improved LSP-01HS-1125-33 Sniffer Probe features an all new, capillary tube sniffer tip for more accurate flow. The LSP-01HS-1125 is an ideal accessory designed for use with Varian and other helium mass spectrometer leak detectors. The quick connect easily attaches to the inlet port of any Varian leak detector. Connect LACO’s helium sniffer probe and your leak detector is ready for sniffer mode. Packaged in a durable storage and carrying case.