Snoop Liquid Leak Detector Swagelok 8 oz 236 ml Leak Detector Specifications Temperature Rating 27 to 200F (2 to 93C) Meets the performance requirements of: MIL-PRF-25567 Leak Detector Compound, Oxygen Systems, Type I, 1 to 70C (33 to 158F) NFPA 52 Section 6-12.2 Leak Testing Compressed Natural Gas Vehicular Fuel System EPA Part 60, Appendix A, Method 21, Section 4.3.3 Alternative Screening Procedures