Ultra Guard Cartridges

Particle size: 5 µm spherical
Pore size: 100 Å

For a detailed description of the stationary phase in this guard cartridge, see the product page for an analytical column with the same silica and stationary phase (e.g., Ultra C18).

Guard column requires Trident LC column protection system or Trident HPLC in-line guard cartridge holder.

Documentation and Instructions Sheets

Instruction Sheet: Restek Trident LC Column Protection System Instruction Sheet

Instruction Sheet: Trident Integral HPLC Guard Column System Instruction Sheet

Ultra Guard Cartridges

Chromatograms

Product Options

Not sure which Restek product is the best for your analysis? Consult a Technical Specialist

Catalog #						Clear All
910050210	Ultra Silica Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 910050210 Product Name Ultra Silica Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
910050212	Ultra Silica Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 910050212 Product Name Ultra Silica Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
910150210	Ultra C1 Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 910150210 Product Name Ultra C1 Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
910150212	Ultra C1 Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 910150212 Product Name Ultra C1 Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
910250210	Ultra C4 Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 910250210 Product Name Ultra C4 Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
910250212	Ultra C4 Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 910250212 Product Name Ultra C4 Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
910350210	Ultra C8 Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 910350210 Product Name Ultra C8 Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
910350212	Ultra C8 Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 910350212 Product Name Ultra C8 Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
910650210	Ultra Cyano Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 910650210 Product Name Ultra Cyano Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
910650212	Ultra Cyano Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 910650212 Product Name Ultra Cyano Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
910750210	Ultra Amino Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 910750210 Product Name Ultra Amino Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
910950210	Ultra Biphenyl Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 910950210 Product Name Ultra Biphenyl Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
910950212	Ultra Biphenyl Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 910950212 Product Name Ultra Biphenyl Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
912750210	Ultra Aromax Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 912750210 Product Name Ultra Aromax Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
912750212	Ultra Aromax Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 912750212 Product Name Ultra Aromax Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
917450210	Ultra C18 Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 917450210 Product Name Ultra C18 Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
917450212	Ultra C18 Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 917450212 Product Name Ultra C18 Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
917550210	Ultra IBD Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 917550210 Product Name Ultra IBD Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
917550212	Ultra IBD Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 917550212 Product Name Ultra IBD Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
917750210	Ultra Carbamate Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 917750210 Product Name Ultra Carbamate Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
917750212	Ultra Carbamate Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 917750212 Product Name Ultra Carbamate Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
917850210	Ultra Aqueous C18 Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 917850210 Product Name Ultra Aqueous C18 Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
917850212	Ultra Aqueous C18 Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 917850212 Product Name Ultra Aqueous C18 Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
917950210	Ultra PFP Propyl Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 917950210 Product Name Ultra PFP Propyl Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
917950212	Ultra PFP Propyl Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 917950212 Product Name Ultra PFP Propyl Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.
918150210	Ultra Quat Guard Cartridge	5 µm	10 mm	4.0 mm	3-pk.	Select Deselect
Catalog # 918150210 Product Name Ultra Quat Guard Cartridge Particle Size 5 µm Length 10 mm ID 4.0 mm Units 3-pk.
918150212	Ultra Quat Guard Cartridge	5 µm	10 mm	2.1 mm	3-pk.	Select Deselect
Catalog # 918150212 Product Name Ultra Quat Guard Cartridge Particle Size 5 µm Length 10 mm ID 2.1 mm Units 3-pk.