Check the listing for details. Lab Mini pump vacuum and pressure Dual-function pump. Condition: New. Listed at 21.96 USD. This is a very small Lab pump which can provide the vacuum and the pressure,it is only a little bigger than a mouse,it could be used on the vacuum filtration and the vacuum distillation and pressure distillation.it also could be used to do the vacuum for the clothes package or other use which need the vacuum or the pressure.We provide the OEM service for this Pump,if you could place the bulk order,wen can do your Logo on the pump and the package SpecificationInput: AC 110V-240VFrequency: 50/60HZPower: 12WCapacity: 5L/MinMax Vacuum: 412mmHgMax Pressure: 80Kpa Package includes:1Pump 1pcs2 Silicon tube inner diameter 4mm,300mm Length 1pcs3 Plastic Connector adapter 4.8mm to 6.4mm,1pcs4 Silicon tube inner diameter 6mm5 Power adapter 110V~240V two feet plug,1pcs