Products are listed under their LabSupplies part numbers with the manufacturer’s model name. Columns come from each product’s stated specifications; a blank cell means that product’s data does not state the value.
Welch Laboratory Vacuum Pumps. Chemical-resistant diaphragm vacuum pumps engineered for filtration, evaporation, and reliable lab vacuum — including the 2052 at 2.3 CFM. Authorized dealer, ships from US inventory.