| | | ROBU Quartz Glass Filter Plate, Biplan 30 mm, Porosity 0, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 10 mm, Porosity 2, Thickness 2.5 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 30 mm, Porosity 2, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 90 mm, Porosity 4, Thickness 6.0 mm +/- 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 80 mm, Porosity 4, Thickness 6.0 mm +/- 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 90 mm, Porosity 3, Thickness 6.0 mm +/- 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 80 Mm, Porosity 3, Thickness 6.0 Mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 60 mm, Porosity 4, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 80 mm, Porosity 1, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 60 mm, Porosity 0, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 50 mm, Porosity 4, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 50 mm, Porosity 2, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 40 mm, Porosity 3, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 50 mm, Porosity 1, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 30 mm, Porosity 3, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 40 mm, Porosity 0, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 30 mm, Porosity 4, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 30 mm, Porosity 1, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 20 mm, Porosity 1, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 10 mm, Porosity 4, Thickness 2.5 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 10 mm, Porosity 0, Thickness 2.5 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 70 mm, Porosity 0, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 10 mm, Porosity 1, Thickness 2.5 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 20 mm, Porosity 0, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 40 mm, Porosity 4, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 40 mm, Porosity 2, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 40 mm, Porosity 1, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 20 mm, Porosity 4, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 10 mm, Porosity 3, Thickness 2.5 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 60 mm, Porosity 3, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 60 mm, Porosity 2, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 60 mm, Porosity 1, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 50 mm, Porosity 3, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 50 mm, Porosity 0, Thickness 5.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 90 mm, Porosity 2, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 90 mm, Porosity 1, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 90 mm, Porosity 0, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 80 mm, Porosity 2, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 80 mm, Porosity 0, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 70 mm, Porosity 4, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 70 mm, Porosity 3, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 20 mm, Porosity 3, Thickness 4.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 70 mm, Porosity 2, Thickness 6.0 mm ± 0.2 mm | | | | | |
| | | ROBU Quartz Glass Filter Plate, Biplan 70 mm, Porosity 1, Thickness 6.0 mm ± 0.2 mm | | | | | |