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Filter funnels are suited for separating suspensions through diffusion through a porous surface. Thereby is differenced between classic filter funnels and buechner funnels. The analytics-shop.com offers all filter funnels and buechner funnels manufactured by Duran and IDL GmbH, which are mainly characterized by the extraordinary properties of the materials used.

  • Volume (filter funnels): 50 ml, 75 ml, 125 ml, 500 ml, 1000 ml, etc.
  • Diameter (buechner):  45 mm, 50 mm, 125 mm, 150 mm, 240 mm, etc.

If you still have questions concerning filter funnels, buechner funnels or other products of Duran and IDL GmbH, you can also contact us personally. Furthermore from an order value of 150 € delivery is for free (De, At, BeNeLux).

For more Information about filter funnels please click here.

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Suction Filters

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  1. Duran Group

    Filter funnel/DURAN, 50 ml, por. 4

    €31.47
    SKU: DU258520401
    In Stock
  2. Duran Group

    Filter funnel/DURAN, 75 ml, por. 3

    €33.05
    SKU: DU258521303
    In Stock
  3. Duran Group

    Filter funnel/DURAN, 125 ml, por. 3

    €44.91
    SKU: DU258522308
    In Stock
  4. Duran Group

    Filter funnel/DURAN, 500 ml, por. 3

    €73.09
    SKU: DU258523304
    In Stock
  5. IDL GmbH

    Filter funnel/Büchner No. 127 C/1, NG 5 10 pcs.

    €362.70
    SKU: ID2100206050
    In Stock
  6. IDL GmbH

    Filter funnel/Büchner No. 127 C/2a NG 9 10 pcs.

    €616.40
    SKU: ID2100206090
    In Stock
  7. IDL GmbH

    Filter funnel/Büchner No. 127 C/4 NG 12

    €103.66
    SKU: ID2100206120
    In Stock
  8. IDL GmbH

    Filter funnel/Büchner No. 127 C/4a,

    €143.38
    SKU: ID2100206150
    In Stock
  9. IDL GmbH

    Filter funnel/Büchner No. 127 C/6 NG 24

    €374.91
    SKU: ID2100206240
    In Stock
  10. Duran Group

    Filter funnel/DURAN, 75 ml, por. 5

    €59.43
    SKU: DU258521509
  11. IDL GmbH

    Filter funnel/Büchner No. 127 C/3 NG 11

    €76.89
    SKU: ID2100206110
    In Stock
  12. Duran Group

    Filter funnel/DURAN, 50 ml, por. 1

    €29.37
    SKU: DU258520101
  13. Duran Group

    Filter funnel/DURAN, 50 ml, por. 2

    €29.37
    SKU: DU258520204
    In Stock
  14. Duran Group

    Filter funnel/DURAN, 50 ml, por. 3

    €29.37
    SKU: DU258520307
    In Stock
  15. Duran Group

    Filter funnel/DURAN, 50 ml, por. 5

    €53.79
    SKU: DU258520504
  16. Duran Group

    Filter funnel/DURAN, 75 ml, por. 1

    €33.05
    SKU: DU258521106
  17. Duran Group

    Filter funnel/DURAN, 75 ml, por. 2

    €33.05
    SKU: DU258521209
    In Stock
  18. Duran Group

    Filter funnel/DURAN, 75 ml, por. 4

    €36.53
    SKU: DU258521406
    In Stock
  19. Duran Group

    Filter funnel/DURAN, 125 ml, por. 1

    €44.91
    SKU: DU258522102
    In Stock
  20. Duran Group

    Filter funnel/DURAN, 125 ml, por. 2

    €44.91
    SKU: DU258522205
  21. Duran Group

    Filter funnel/DURAN, 125 ml, por. 4

    €51.10
    SKU: DU258522402
    In Stock
  22. Duran Group

    Filter funnel/DURAN, 125 ml, por. 5

    €89.14
    SKU: DU258522505
  23. Duran Group

    Filter funnel/DURAN, 500 ml, por. 1

    €73.09
    SKU: DU258523107
  24. Duran Group

    Filter funnel/DURAN, 500 ml, por. 2

    €73.09
    SKU: DU258523201
  25. Duran Group

    Filter funnel/DURAN, 500 ml, por. 4

    €87.43
    SKU: DU258523407
  26. Duran Group

    Filter funnel/DURAN, 500 ml, por. 5

    €184.85
    SKU: DU258523501
  27. Duran Group

    Filter funnel/DURAN, 1000 ml, por. 1

    €118.08
    SKU: DU258524103
  28. Duran Group

    Filter funnel/DURAN, 1000 ml, por. 2

    €118.08
    SKU: DU258524206
  29. Duran Group

    Filter funnel/DURAN, 1000 ml, por. 3

    €118.08
    SKU: DU258524309
  30. Duran Group

    Filter funnel/DURAN, 1000 ml, por. 4

    €154.87
    SKU: DU258524403
    In Stock
  31. Duran Group

    Filter funnel/DURAN, 1000 ml, por. 5

    €315.69
    SKU: DU258524506
  32. Duran Group

    Filter funnel/DURAN, 4000 ml, por. 1

    €394.56
    SKU: DU258526104
  33. Duran Group

    Filter funnel/DURAN, 4000 ml, por. 2

    €394.56
    SKU: DU258526207
  34. Duran Group

    Filter funnel/DURAN, 4000 ml, por. 3

    €394.56
    SKU: DU258526301
  35. Duran Group

    Filter funnel/DURAN, 4000 ml, por. 4

    €459.04
    SKU: DU258526404
  36. IDL GmbH

    Filter funnel/Büchner No. 127 C/0a NG 4 10 pcs.

    €328.00
    SKU: ID2100206040
    In Stock
  37. IDL GmbH

    Filter funnel/Büchner No. 127 C/5 NG 18

    €229.77
    SKU: ID2100206180
    In Stock
  38. IDL GmbH

    Filter funnel/Büchner No. 127 C/6a,

    €692.78
    SKU: ID2100206270
  39. IDL GmbH

    Filter funnel/Büchner No. 127 C/8 NG 32

    €910.45
    SKU: ID2100206320
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DURAN - Filter Funnels 

The glass filters are classified as being in porosity classes 0 to 5 according to their nominal maximum pore size. The following table shows the corresponding porosity range. The specified pore sizes always relate to the largest pore in the plate. This specification also characterises the minimum nominal size of particles which may be retained by the filtration.

Porosity      
 
ISO 4793
Labeling 
max. Pore Size
[µm]
0 P 250 160 - 250
1 P 160 100 - 160
2 P 100 40 - 100
3 P 40 16 - 40
4 P 16 10 - 16
5 P 1.6 1.0 - 1.6

All filter funnels of DURAN are manufactured out of borosilicate glass, which is charaterized by high resistance against chemicals and changes is temperature. Filter funnels are linked by a cubic ruber gasket (GUKO). The following tabelle gives you an overview of the product range of DURANs filter funnels. 

Porosity
 
Volume
[ml]
d Plate
[mm] 
d Output
[mm] 
d Input
[mm] 
Heigth
[mm] 
1 - 5 50 35 10 40 130
1 - 5 75 45 10 56 130
1 - 5 125 60 10 71 140
1 - 5 500 95 22 106 200
1 - 5 1 000 120 22 135 320
1 - 4 4 000 175 30 202 400

 

IDL GmbH - Buechner Funnels

Buechner funnels are filter funnels with a worked into sieve instead of a porous filteration layer. The filter papers required for separations with buechner funnels can also be found at the analytics-shop.com. The following tabelle gives you an overview of the products of IDL GmbH. 

Diameter
[mm] 
Volume
[ml] 
Diameter
[mm] 
Volume
[ml] 
45 50 150 1250
55 75 185 1900
70 135 240 4300
90 290 270 5800
110 580 320 10600
125 795    

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