The SP0V gas sampling pump can pull low pressure gas from a well and boost it to 25 psi to pump it into a sample cylinder Hard Anodized aluminum body and stainless steel fittings so no issues with corrosion, cracking or cross contamination of the sample Inlet and outlet hose has Nylon inner core tube which does not affect the sample Low compression rate will not adversely affect the sample by bringing the gas close to the hydrocarbon dew point (25 psi/2 bar) Hydrocarbon-free lubricant does not contaminate the sample with any foreign hydrocarbons Designed in accordance with API MPMS Chapter 14.1 on natural gas sampling Ideally suited for use with the purge and fill method of gas sampling Made in USA