Vacuum and pressure pump
USD $3.8 - $4.8 /Piece
Min.Order:50 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.