Our VitraPOR® laboratory glassware are made of pure borosilicate glass 3.3. This versatile and recyclable material offers excellent properties for the most diverse fields. It is highly resistant to most chemicals such as solvents, acids and alkalis.
VitraPOR® glass filters are divided into porosity classes ranging from 1,0 µm to 500 µm.

Filter Funnels, conical shape
Conical filter funnels are ideal for the use in sample preparation processes and the filtration of small amounts. They are available in various shapes and sizes from 25 ml up to 170 ml volume with or without standard joints.
Cat.-Nr. | Porosity | ml |
Dim
A mm |
Dim
B mm |
Dim
C mm |
PU * | Price / Pc. | |
---|---|---|---|---|---|---|---|---|
22251 | 1
Standard: ISO 4793-80 Por. 1 Pore-Diameter 100 - 160 µm |
25 ml | 55 | 25 | 8 | 10 | 23,30 € | |
22252 | 2
Standard: ISO 4793-80 Por. 2 Pore-Diameter 40 - 100 µm |
25 ml | 55 | 25 | 8 | 10 | 23,30 € | |
22253 | 3
Standard: ISO 4793-80 Por. 3 Pore-Diameter 16 - 40 µm |
25 ml | 55 | 25 | 8 | 10 | 23,30 € | |
22254 | 4
Standard: ISO 4793-80 Por. 4 Pore-Diameter 10 - 16 µm |
25 ml | 55 | 25 | 8 | 10 | 25,85 € | |
22255 | 5
Standard: ISO 4793-80 Por. 5 Pore-Diameter 1 - 1,6 µm |
25 ml | 55 | 25 | 8 | 10 | 39,05 € | |
22261 | 1
Standard: ISO 4793-80 Por. 1 Pore-Diameter 100 - 160 µm |
170 ml | 100 | 30 | 10 | 1 | 37,95 € | |
22262 | 2
Standard: ISO 4793-80 Por. 2 Pore-Diameter 40 - 100 µm |
170 ml | 100 | 30 | 10 | 1 | 37,95 € | |
22263 | 3
Standard: ISO 4793-80 Por. 3 Pore-Diameter 16 - 40 µm |
170 ml | 100 | 30 | 10 | 1 | 37,95 € | |
22264 | 4
Standard: ISO 4793-80 Por. 4 Pore-Diameter 10 - 16 µm |
170 ml | 100 | 30 | 10 | 1 | 41,15 € | |
22265 | 5
Standard: ISO 4793-80 Por. 5 Pore-Diameter 1 - 1,6 µm |
170 ml | 100 | 30 | 10 | 1 | 58,20 € |
PU* = Packing Unit
Our products are usually sold in packing units of [PU] pieces.