Główne cechy:
Dane techniczne:
| Wysokość | Ø | Ilość | Numer katalogowy VWR | 
| 10 mm | 5 mm | 10 | 442-0401 | 
| 15 mm | 6 mm | 10 | 442-0402 | 
| 20 mm | 10 mm | 10 | 442-0403 | 
| 25 mm | 12 mm | 10 | 442-0404 | 
| 30 mm | 16 mm | 10 | 442-0405 | 
| 35 mm | 16 mm | 10 | 442-0406 | 
| 40 mm | 20 mm | 5 | 442-0407 | 
| 50 mm | 20 mm | 5 | 442-0408 | 
| 64 mm | 20 mm | 5 | 442-0409 | 
| 70 mm | 20 mm | 5 | 442-0410 | 
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