J-Series Dia-Vac® gaseous diaphragm sampling pumps are completely self contained and may be used for either built-in or portable applications. These economical oil-free, contamination-free and leak-free diaphragm pumps offer up to 13 SLPM, 23 InHg, and 29 PSIG in a single head configuration. J-Series Dia-Vac® pumps are exceptionally quiet and are available with Aluminum or Teflon-coated Aluminum wetted parts. They are an ideal choice for OEM customers.