PEEK column threads offer outstanding durability Precision borosilicate glass columns provide inertness, visibility, and performance Superior frit placement adds bed support and even distribution of sample flow Reusable columns let you pack your own media specific to your application Ergonomically designed EZ columns are easy to use yet provide excellent results. Columns are ideal for low- to medium-pressure applications and are resistant to many solvents used in liquid chromatography. Modular design gives you the flexibility to mix and match column sizes with different endpiece types to meet your specific requirements. Two fixed endpieces provide a cost-effective option when bed height adjustment is not important. Each glass column assembly is supplied preassembled with 25 m PE frits and comes with all the tubing, fittings, and connections you need to get started. Two (0.5 m and 2 m L) 1/16 OD PTFE tubing assembly with 1/4-28 UNF PP fitting at one end, a frit kit (contains two each of 10 m PE, 10 m PTFE, and 30 m PTFE frits), and a Click-N-Seal 10-32 PEEK conical port fitting. This listing is for Each. Quality Level :100 application(s) :LPLC: suitable I.D. × L :25 mm × 100 mm