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O-Ring, 26.9 x 2.4 mm – Metal
O-Ring, 26.9 x 2.4 mm - Metal

O-ring, 44.5 X 3 mm – Buna, Part# 02120078

O-Ring, 26.9 x 2.4 mm - Metal

O-ring, 109.5 x 3 mm - Viton, Part# 2122091

$6.16
O-Ring, 26.9 x 2.4 mm - Metal

O-ring, 7.92 x 2.6mm - Buna, Part# 02125116

$3.85

$5.39

This Buna O-ring measures exactly 44.5 mm inner diameter with 3 mm thickness. It replaces Part #02120078 (cross-reference OB-1911) . This O-ring is specifically used on Edwards E1M18, E2M18, E2M28, and E2M30 pump models . The Buna-N (Nitrile) material offers great oil resistance at a fair price.

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  • O-Ring, 26.9 x 2.4 mm - Metal

    O-ring, 44.5 X 3 mm - Buna, Part# 02120078

    $5.39

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      O-Ring, 26.9 x 2.4 mm - Metal

      O-ring, 44.5 X 3 mm - Buna, Part# 02120078

      $5.39

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      This specific size (44.5 mm x 3 mm) is used on Edwards E1/E2M pump family . This includes the following popular pump models:

      • E1M18

      • E2M18

      • E2M28

      • E2M30 

      These are single and two-stage rotary vane pumps used in laboratories and industrial applications. If you own or service these pumps, this is a seal you should keep in your spare parts box.

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