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1. The suction filter flask is made of GG17 high borosilicate glass which has excellent chemical and physical properties.
2. 304 stainless steel funnel, with filterholes inside the funnel, enable quick filtering under negative pressure.
3. Valves with PTFE elements, durable and anti-corrosion.
4. The whole machine has perfect sealing performance, under the negative pressure can reach 0.095 MPa under stationary state.
5. The whole machine structure science, visual features prominent, innovative and practical.
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