Column Protection

Topsil HILIC NH2, Cartridge: 5µm, 150Å, 4.6×10mm, 2pcs

P/N: 00808-04307

$62.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Boltimate HILIC, Cartridge: 2.7µm, 90Å, 2.1 ×5mm, 2pcs

P/N: U808-964-25

$220.00 USD

Welch Boltimate guard cartridges use the same packing materials as does Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use 2.1×5.0mm cartridges,...

Boltimate HILIC, Cartridge: 2.7µm, 90Å, 4.0 ×5mm, 2pcs

P/N: U808-964-45

$220.00 USD

P/N: 00808-01301

$15.00 USD

1/16"Peek Tube，7cm Length × 1

P/N: 00808-01303

$22.00 USD

The product includes：PEEK Fitting, for 1/16" OD tubing × 1, not 2 pcs in the picture.

P/N: 00808-01308

$9.00 USD

The product includes：PEEK Ferrule, for 1/16" OD tubing × 1, not 2 pcs in the picture.

P/N: 00808-01320

$24.00 USD

Replacement O-Ring, for 21.2mm Prep Precolumn Inline Filter/Guard Holder, PTFE × 1

Replacement O-Ring, 21.2mm, FFKM (1pcs/pk)

P/N: 00808-01321

$24.00 USD

Replacement O-Ring, for 21.2mm Prep Precolumn Inline Filter/Guard Holder, FFKM × 1

Replacement O-Ring, 10mm, FFKM (1pcs/pk)

P/N: 00808-01321-10

$32.00 USD

Replacement O-Ring, for 10mm Prep Precolumn Inline Filter/Guard Holder, FFKM × 1

Replacement O-Ring, 30mm, FFKM (1pcs/pk)

P/N: 00808-01321-30

$24.00 USD

Replacement O-Ring, for 30mm Prep Precolumn Inline Filter/Guard Holder, FFKM × 1

P/N: 1/4-5/16-SW

$15.00 USD

1/4"-5/16"solidwrench×1

P/N: 3/8-7/16-SW

$15.00 USD

3/8"-7/16"solidwrench×1

Ultisil XB-C18, Cartridge: 3µm, 300Å, 2.1×10mm, 2pcs

P/N: H00808-23026

$120.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil XB-C18, Cartridge: 3µm, 300Å, 4.6×10mm, 2pcs

P/N: H00808-03027

$130.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil XB-C18, Cartridge: 3.5µm, 120Å, 4.6×10mm, 2pcs

P/N: H00808-13802

$110.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil XB-C18, Cartridge: 3.5µm, 300Å, 4.6×10mm, 2pcs

P/N: H00808-13801

$130.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil XB-C18, Cartridge: 5µm, 300Å, 2.1×10mm, 2pcs

P/N: H00808-24018

$72.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil LP-CN, Cartridge: 5µm, 120Å, 2.1×10mm, 2pcs

P/N: H00808-24027

$66.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil ODS-3, Cartridge: 3µm, 100Å, 2.1×10mm, 2pcs

P/N: H00808-23016

$100.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil ODS-3, Cartridge: 5µm, 100Å, 2.1×10mm, 2pcs

P/N: H00808-24031

$66.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil ODS-3, Cartridge: 3µm, 100Å, 4.6×10mm, 2pcs

P/N: H00808-03031

$110.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil ODS-3, Cartridge: 5µm, 100Å, 4.6×10mm, 2pcs

P/N: H00808-04043

$68.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil HILIC NH2, Cartridge: 10µm, 120Å, 4.6×10mm, 2pcs

P/N: H00808-05017

$64.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Ultisil Amino Acid, Cartridge: 5µm, 120Å, 2.1×10mm, 2pcs

P/N: H00808-24040

$66.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...