| | | Lenz Laborglas Filter Plate, 40 mm Diameter, Porosity 3, Centered Rim, Not Fused | | | | | |
| | | Lenz-Laborglas Filter Plate 10 mm, Porosity 2, Centred, Rim Not Fused
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| | | Lenz-Laborglas Filter Plate 30 mm, Porosity 4 Centred, Rim Not Fused
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| | | Lenz-Laborglas Filter Plate 30 mm, Porosity 2 Centred, Rim Not Fused
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| | | Lenz-Laborglas Filter Plate 20 mm, Porosity 2 Centred, Rim Not Fused
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| | | Lenz-Laborglas Filter Plate 40 mm, Porosity 0 Centred, Rim Not Fused
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| | | Lenz-Laborglas Filter Plate 40 mm, Porosity 2 Centred, Rim Not Fused
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| | | Filter plate 10 mm, porosity 4 centred, rim not fused | | | | | |
| | | Filter plate 40 mm, porosity 4 centred, rim not fused | | | | | |
| | | Filter plate 20 mm, porosity 4 centred, rim not fused | | | | | |
| | | Filter plate 60 mm, porosity 3 centred, rim not fused | | | | | |
| | | Filter plate 20 mm, porosity 3 centred, rim not fused | | | | | |
| | | Filter plate 10 mm, porosity 3 centred, rim not fused | | | | | |
| | | Filter plate 50 mm, porosity 1 centred, rim not fused | | | | | |
| | | Filter disc 60 mm, Por.4 borosilicate glass 3.3 | | | | | |
| | | Filter disc 50 mm, Por.4 borosilicate glass 3.3 | | | | | |
| | | Filter disc 50 mm, Por.2 borosilicate glass 3.3 | | | | | |
| | | Filter disc 60 mm, Por.2 borosilicate glass 3.3 | | | | | |
| | | Filter disc 50 mm, Por.3 borosilicate glass 3.3 | | | | | |
| | | Filter disc 60 mm, Por.1 borosilicate glass 3.3 | | | | | |
| | | Filter disc 30 mm, Por.0 borosilicate glass 3.3 | | | | | |
| | | Filter disc 50 mm, Por.0 borosilicate glass 3.3 | | | | | |
| | | Filter plate 40 mm, porosity 1 centred, rim not fused | | | | | |
| | | Filter plates 60 mm, porosity 0 centred, rim not fused pack of 10 | | | | | |
| | | Filter plate 20 mm, porosity 0 centred, rim not fused | | | | | |
| | | Filter plate 10 mm, porosity 0 centred, rim unmelted | | | | | |
| | | Filter plate 10 mm, porosity 1 centred, rim not fused | | | | | |
| | | Filter plate 30 mm, porosity 1 centred, rim not fused | | | | | |
| | | Filter plate 20 mm, porosity 1 centred, rim not fused | | | | | |