| Q1001 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 2 Thickness 7.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1204 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 4 Thickness 8.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1203 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 3 Thickness 8.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1202 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 2 Thickness 8.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1201 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 1 Thickness 8.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1200 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 0 Thickness 8.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1009 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 0 Thickness 7.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1004 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 00 Thickness 7.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1003 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 4 Thickness 7.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1002 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 3 Thickness 7.0 mm ± 0.2 mm VitraPOR® glass...
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| Q0509 | Quartz Glass Filter Disc, bi-plane, 50 mm, Por. 00 Thickness 5.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1000 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 1 Thickness 7.0 mm ± 0.2 mm VitraPOR® glass...
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| Q0909 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 00 Thickness 6.0 mm ± 0.2 mm VitraPOR® glass...
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| Q0809 | Quartz Glass Filter Disc, bi-plane, 80 mm, Por. 00 Thickness 6.0 mm ± 0.2 mm VitraPOR® glass...
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| Q0709 | Quartz Glass Filter Disc, bi-plane, 70 mm, Por. 00 Thickness 6.0 mm ± 0.2 mm VitraPOR® glass...
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| Q0609 | Quartz Glass Filter Disc, bi-plane, 60 mm, Por. 00 Thickness 5.0 mm ± 0.2 mm VitraPOR® glass...
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| Q0409 | Quartz Glass Filter Disc, bi-plane, 40 mm, Por. 00 Thickness 4.0 mm ± 0.2 mm VitraPOR® glass...
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| Q0309 | Quartz Glass Filter Disc, bi-plane, 30 mm, Por. 00 Thickness 4.0 mm ± 0.2 mm VitraPOR® glass...
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| Q1209 | Quartz Glass Filter Disc, bi-plane, 90 mm, Por. 00 Thickness 6.0 mm ± 0.2 mm VitraPOR® glass...
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