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Welch™ Standard-Duty Vacuum Pumps
Compact, economical WOB-L™ pumps for aqueous applications
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Liquid trap on inlet, vacuum gauge and adjustment knob, exhaust muffler, suction cup feet, and handles for convenient transportation
May be used with buffer solutions but are not recommended for use with acids, bases or organic vapors.
Products in this grouping may have voltages other than the standard US 110/115V. Please review and confirm your selection before completing your order. Some of these products may not be returned.