Available with a choice of coarse or medium porosity fritted discs.
Specification
| Item | Description |
| FTGF5701420C | Glass Filter Tube，Joint 14/20，Approximate Frit O.D.20mm，Porosity G2 |
| FTGF5701420M | Glass Filter Tube，Joint 14/20，Approximate Frit O.D.20mm，Porosity G3 |
| FTGF5701430C | Glass Filter Tube，Joint 14/20，Approximate Frit O.D.30mm，Porosity G2 |
| FTGF5701430M | Glass Filter Tube，Joint 14/20，Approximate Frit O.D.30mm，Porosity G3 |
| FTGF5701940C | Glass Filter Tube，Joint 19/22，Approximate Frit O.D.40mm，Porosity G2 |
| FTGF5701940M | Glass Filter Tube，Joint 19/22，Approximate Frit O.D.40mm，Porosity G3 |
| FTGF5702440C | Glass Filter Tube，Joint 24/40，Approximate Frit O.D.40mm，Porosity G2 |
| FTGF5702440M | Glass Filter Tube，Joint 24/40，Approximate Frit O.D.40mm，Porosity G3 |