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Welch Self Cleaning Dry Vacuum Pump Model 202601***This vacuum pump was tested to specifications. Unit is preowned with slight wear wear from normal use, (missing 1 exhaust jar). Buyer can expect the same item pictured with 30-day warranty. See photos for details.(Please be advised that any warranty/guarantee/return policy provided from the seller is between the buyer and the seller only. Bid on Equipment is not and cannot be held responsible in any way. Please reference our Terms and Conditions for further information.)Welch Self-cleaning PTFE vacuum systems Quiet and rugged vacuum pumps that provide workhorse duty for years between service intervals. The self cleaning feature keeps the membranes and valves clean and dry, allowing the pump to achieve excellent base pressures and return to base pressure rapidly. The Welch Self Cleaning vacuum systems are the first choice for the vacuum savy researcher with heavy work load rotary evaporator needs. The Welch Self Cleaning pumps have fine tunable control along with an anti-bumping/foaming feature.Pumping Speed: 35 l/minMax. Vacuum: 2 torrTubing Needed: 1/4 IDExhaust / Intake threads: 3/8Dimensions LxWxH: 13.6 x 12 x 11.3Weight: 27 lbsWiring: 115V, 60 hzAdditional Prep Fees May Apply