˙The funnel has the characteristics of thick wall, strengthened edge, etc., which is sturdy and durable
˙With marking area
˙All the corrosive chemicals that are not suitable for filter paper and filter membrane are suitable for this funnel
˙Please note that when using this funnel, you should avoid rapid changes in temperature and do not expose the funnel to flames
˙Filter hole gauge 0, pore size is 160~250um
˙Filter hole gauge 1, pore size is 100~160um
˙Filter hole gauge 2, pore size is 40~100um
˙Filter hole gauge 3, the pore size is 16~40um
˙Filter hole gauge 4, pore size is 10~16um
˙Filter hole gauge 5, pore size is 1.0~1.6um