Technical Data:

Support Screen:  external diameter is slick; internal diameter is frosted.
Clamp of aluminum alloy:  made of aluminum alloy, high strength, no distortion.
Funel 300 ml
Aperture of filter 50 mm
Pore size of filter 10  µm
Material of supported Screen Pyrex glass
Receivivg Bottle 1000ml
Suitable Membrance Ø 47  or  Ø 50