单向阀与正向连接器_HDPE 硅胶隔膜 6个/包 72个/箱

Nalgene 单向阀与正向连接器，高密度聚乙烯，硅胶隔膜

Prevent back pressure with aspirator-type vacuum pumps using the 

Thermo Scientific Nalgene Vacuum Check Valve and Pressure Connector. 

Designed for use with 1/4″ (6.35mm) to 5/16″ (7.94mm) ID tubing, 

they work best between 10- and 28- in. Hg.

Features:

• Two-piece design is easy to disassemble for cleaning
• Silicone diaphragm prevents back pressure

Note:

Not for use with liquids.