Whether you need to replace system tubing as part of your troubleshooting or want to reduce the dwell volume of your system as you move to narrower columns, Restek has the quality tubing in the lengths and IDs you need. Each ID is color coded, so it is easy to identify and replace correctly. Tubing…

The most economical way to helium-sparge and deliver LC mobile phases. Opti-Cap tops fit all standard GL-45 bottles and have two 1/8" holes and one 1/16" hole for tubing. All three openings are designed for threaded PEEK plugs.

Fits all standard GL-45 bottles; has two 1/8-inch holes and one 1/16-inch hole for tubing. Holes are not threaded.

Fluid resistor technology eliminates adjustments to capillary tubing for optimizing split ratio. Wide range of interchangeable resistors available. Fixed Flow Splitters for HPLC & LC-MS Split ratio not affected by changes in viscosity or pressure High operating pressure limit:…

We manufacture our frits from fine, chromatographic-grade 316 stainless steel, and we offer sizes to fit most column and pore sizes. To choose the correct frit, check its pore size compatibility with the particle size of the packing in the column. If the packing has a smaller particle size than the…

Precut, micropolished tubing and preseated fittings for quick, easy maintenance of your Agilent HPLC systems Meet or exceed manufacturer's performance.

Meet or exceed original manufacturer's performance for less!

Restek tubing is manufactured from fine, chromatographic-grade 316 stainless steel. It is corrosion resistant, ultrasonically cleaned, and passivated. We polish the tubing and promise a burr-free cut. You can use this tubing immediately—there is no need for additional treatment.

Protect your Roc LC columns with minimal effect on retention, peak shape, or efficiency Requires separate guard column cartridges (available from Restek)

For start-up and maintenance in all HPLC systems. The PEEK Survival Kit is an invaluable parts kit that contains tubing, fittings, and tools essential for setting up and maintaining your HPLC system: PEEK tubing, connectors, and elbows, PTFE tubing, a tubing cutter and extra blades, a ValvTool…

The Restek waste overflow indicator will help keep your mobile phase waste where it belongs—in the waste container! Compact, battery-operated unit fits securely on solvent bottles and accommodates two waste streams. An audible alarm is given as the solvent waste container approaches capacity,…

Replaces stainless steel, titanium, PTFE, or Tefzel tubing Less oxygen permeable and more temperature resistant (to 100 °C) than PTFE or Tefzel tubing Use with PEEK finger-tight or flangeless fittings Use tubing ≤ 0.007" to 7,000 psi; tubing ≥ 0.010" ID to 5,000 psi

Allow the use of the Opti-Cap Top with 4-liter solvent bottles.

Allow the use of the Hub-Cap Top with GL-45 solvent bottles.

Burr-free, perpendicular cuts that will not distort the tubing OD or close the ID Use on PEEK, PTFE, Tefzel, and other polymeric tubing

Easy to set up! Operation range: 5 °C above ambient to 85°C, ±1°C Lightweight, compact design fits in small spaces Column holder can be placed in any orientation This unique design completely encloses any LC analytical column up to 25 cm in length. Two lengths of…

Simplify routine maintenance with these handy kits for LC. Significant savings over instrument manufacturer prices High quality components in every kit Wide selection of PM Kits for your HPLC systems

Hand-tight fitting style achieves effortless HPLC seals—no tools needed for a 8,700+ psi seal Both hand-tight and hex-head styles wrench-tighten for reliable UHPLC use up to 20,000+ psi! Patented ferrule can be installed repeatedly without compromising high-pressure seal Hybrid…

Ideal for mobile phase inlet lines Chemically inert Use to 500 psi (3,447 kPa) and 80°C

Prevent the particulates and microbial growth in your LC solvents from entering your instrument with the new Restek Bluestem glass solvent filter. Restek Bluestem glass solvent filter provides clean mobile phase to extend the life of columns and pump seals 15 µm borosilicate glass…

A good connection between HPLC components is necessary for trouble-free chromatography. Secure-Fit connectors from Restek and Selerity Technologies ensure a consistent, leak-free seal—and they eliminate excess dead volume! An internal spring mechanism holds the capillary tubing at the proper…

An efficient cross-flow shearing mechanism and interchangeable cartridges produce vortex shear mixing over a wide range of flows. Stainless steel or PEEK. Reduced baseline noise Increased sensitivity Improved gradient accuracy for more reproducible results Increased reaction…

The flat filter element sits parallel to the bottom of the mobile phase reservoir, allowing the filter to draw 98% of the mobile phase without drawing air into the system. Conventional cylindrical mobile phase filters begin to draw air into the system when approximately 10% of the solvent remains…

Hub-Cap bottle tops are a great way to neatly keep your mobile phase lines where they belong. Use them instead of plastic paraffin film, aluminum foil, or tape on your mobile phase reservoirs.

Kit includes: bottle adaptor, bottle adaptor nut, filter inlet cap, grid support, vacuum hose barb, tube compression fitting, 47 mm grid, 47 mm 0.22 µm filter membrane, 47 mm 0.45 µm filter membrane, 1/4" OD x 1/8" ID ultra chemical resistant, FEP-lined Tygon tubing (3'),…