Vacuum and pressure pump--physical instrument
USD $3.9 - $4.9 /Piece
Min.Order:100 Pieces
Qinghua Science & Education Equipment Co., Ltd.
Size: 33.5 x 11 x 11cm Hand Operated Dual Purpose Air Pump Suitable for pumping and exhausing, the highest vacuum 50cm Hg, and the highest pressure 4 atm.Used for various kinds of pressure and vacuum experiments.