Feature and application.
Stainless steel top in base for simple control of the vacuum. Stainless steel frit filter support gives optimally uniform distribution of retained bacteria or particles on the membrane filter surface. It can be flamed to sanitize between samples without membrane. These mechanism are used in microbiological quality control, e.g. of water, bear, wine and soft drinks other laboratory reagents. Analytical determination e.g. of metal particles in lubricating oil, iron oxides in boiler water. Consist of Stainless steel lid with Teflon sealing ring, 250 ml funnel base clamp to connect filter section, detachable 47 mm filter disk, silicone gasket ring with rubber cork, supplied with 1000ml capacity heavy filtering flask made from high grade borosilicate glass