Online checkout is currently available in the U.S. Contact us to make a purchase or look up our distributors if you live in other countries!

Only 1 left in stock! Get 10 mL Disposable HPLC Lab Syringe (100 pcs) now — before anyone else!

Visit WelchLab for a comprehensive collection of laboratory consumables, including glassware, plasticware, and more!

Column Protection

Stainless Steel Connection Fittings (0.12 mm ID, Max Pressure 130 MPa, for UHPLC)

Stainless Steel Connection Fittings (0.12 mm ID, Max Pressure 130 MPa, for UHPLC)

P/N: 00808-01325

from $220.00 USD

from $220.00 USD

Product Features: Tool-free Installation: User-friendly design for quick, hand-tight installation Excellent Sealing: The PEEK ferrule deforms for a perfect seal, preventing leaks effectively Br...

Stainless Steel Connection Fittings (0.17 mm ID, Max Pressure 60 MPa, for HPLC)

Stainless Steel Connection Fittings (0.17 mm ID, Max Pressure 60 MPa, for HPLC)

P/N: 00808-01331

from $220.00 USD

from $220.00 USD

Product Features: Tool-free Installation: User-friendly design for quick, hand-tight installation Excellent Sealing: The PEEK ferrule deforms for a perfect seal, preventing leaks effectively Br...

1/16

P/N: 00816-00003

$16.00 USD

$16.00 USD

PEEK Reducing Union, 1/16

P/N: 00816-00010

$15.00 USD

$15.00 USD

PEEK Fitting, 1/16

PEEK Fitting, 1/16

P/N: 00816-00011

from $5.00 USD

from $5.00 USD

PEEK Tubing, 1/16

PEEK Tubing, 1/16

P/N: 00816-00009

$42.00 USD

$42.00 USD

PEEK Tubing, 1/16

PEEK Tubing, 1/16

P/N: 00816-00006

$45.00 USD

$45.00 USD

PEEK Tubing, 1/16

PEEK Tubing, 1/16

P/N: 00816-00032

$48.00 USD

$48.00 USD

PEEK Luer Fitting, Female Thread: 1/4-28 or 10-32, for 1/8

P/N: 00816-00025

$84.00 USD

$84.00 USD

1/16

P/N: 00816-00027

$50.00 USD

$50.00 USD

PEEK Fitting, 10-32 Thread, 1/16

P/N: 00816-00013

$5.00 USD

$5.00 USD

PEEK Tee, 10-32 Thread, 1/16

P/N: 00816-00030

$37.00 USD

$37.00 USD

PEEK Fitting, 1/4-28 Thread, 1/16

P/N: 00816-00026

$7.00 USD

$7.00 USD

PEEK Plug, 10-32 Thread, 1/16

P/N: 00816-00029

$4.00 USD

$4.00 USD

PEEK Cross, 10-32 Thread, Four Ports, 1/16

P/N: 00816-00031

$70.00 USD

$70.00 USD

Ultisil XB-C18, Cartridge: 3µm, 120Å, 2.1×10mm, 2pcs

P/N: H00808-23001

$100.00 USD

$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 XB-C18, Cartridge: 5µm, 120Å, 2.1×10mm, 2pcs

P/N: H00808-24001

$66.00 USD

$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 XB-C18, Cartridge: 3µm, 120Å, 4.6×10mm, 2pcs

P/N: H00808-03001

$110.00 USD

$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: 5µm, 120Å, 4.6×10mm, 2pcs

P/N: H00808-04001

$68.00 USD

$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 XB-C18, Cartridge: 5µm, 300Å, 4.6×10mm, 2pcs

P/N: H00808-04018

$80.00 USD

$80.00 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: 10µm, 120Å, 4.6×10mm, 2pcs

P/N: H00808-05001

$64.00 USD

$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 UHPLC XB-C18, Cartridge: 1.8µm, 120Å, 2.1×5mm, 2pcs

P/N: HU808-201-25

$168.00 USD

$168.00 USD

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

Ultisil UHPLC XB-C18, Cartridge: 1.8µm, 120Å, 4.0×5mm, 2pcs

P/N: HU808-201-45

$168.00 USD

$168.00 USD

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

Ultisil XB-C18, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm (1pcs/pk)

Ultisil XB-C18, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm (1pcs/pk)

P/N: H00808-04401

$169.00 USD

$169.00 USD

Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...