Pre-column filters

UltraShield HPLC/UHPLC Precolumn Filters

• Economical protection against micro-particles
• Extends column lifetime
• Negligible effect on column performance
• Universal fit, connects directly to column
• Leak tight to 15,000 PSI
• Compatible with all UHPLC/UPLC columns
• Compatible with all UHPLC/UPLC systems including Waters Acquity®
• Available in 0.2um (AS-850-1017), 0.5um (AS-850-1010) and 2um (AS-850-1015)
• Available with Stainless Steel (SST) or Titanium frits

UltraShield direct connect HPLC/UHPLC Precolumn Filters provide economical protection from the harmful effects of sample and mobile phase particulates on modern UHPLC and other high resolution HPLC columns.  UltraShield was engineered specifically for use in fast, high efficiency separations requiring high mobile phase velocities and ultra high pressure.  UltraShield maintains the efficiency of these high performance columns assuring no loss of critical resolution.  With its simple design, UltraShield installs in any analytical column in seconds and is leak tight to 15,000 PSI.  Simply tighten the filter with a wrench until it is snug, followed by an additional 1/4 turn.

Compatibility Options:

• Inlet Port (Female): Waters systems compatible / Outlet Port (Male): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP)
• Inlet Port (Female): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP) / Outlet Port (Male): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP)

ColumnShield HPLC FingerTight Precolumn Filters

• Economical protection against micro-particles
• Extends HPLC column lifetime
• Negligible effect on column performance
• Universal fit, connects directly to column
• Fingertight to 5,000 PSI
• Available in 0.5um (AS-850-1050) and 2um (AS-850-1051)
• Available with Stainless Steel (SST) and Titanium frits.

ColumnShield HPLC FingerTight Precolumn Filter provides economical protection from the harmful effects of sample and mobile phase particulates on modern HPLC columns.  The disposable filter was engineered to maintain the efficiency of high performance columns assuring insuring no loss of critical resolution.  With its simple design, the filter installs in any analytical column or guard column in seconds and is leak tight to 5,000 PSI.  To install simply hand tighten the filter as you would with any fingertight fitting while holding the column stable.

Compatibility Options:

• Inlet Port (Female): Waters systems compatible / Outlet Port (Male): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP)
• Inlet Port (Female): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP) / Outlet Port (Male): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP)

In-Line HPLC/UHPLC Precolumn Filters

• Cost effective way to extend column lifetime
• Replaceable filter element
• Negligible effect on column performance
• Universal fit, connects directly to column
• Leak tight to 15,000 PSI
• Available in 0.2um (AS-850-1027), 0.5um (AS-850-1025), 2um (AS-850-1026) and 5um (AS-850-1028)
• Available with Stainless Steel (SST) and Titanium frits

In-line HPLC/UHPLC Precolumn Filters provide economical protection from the harmful effects of sample and mobile phase particulates on modern HPLC and UHPLC columns.  The PrimeLine precolumn filter was engineered specifically for use in high throughput and routine HPLC separations where mobile phase and sample contamination cause a decrease in column performance or premature column failure.  The low swept volume of the PrimeLine filter maintains the efficiency of high performance columns assuring a negligible loss of critical resolution.  With its simple design, the PrimeLine filter installs in any analytical column in seconds and is leak tight to 15,000 PSI.  Simply finger tighten initially, then wrench tighten an additional 1/4 - 1/2 turn.

Compatibility Options:

• Inlet Port (Female): Waters systems compatible / Outlet Port (Female): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP)
• Inlet Port (Female): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP) / Outlet Port (Female): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP)

Direct Connect HPLC/UHPLC Precolumn Filters

• Cost effective way to extend column lifetime
• Replaceable filter element
• Negligible effect on column performance
• Universal fit, connects directly to column
• Leak tight to 15,000 PSI
• Available in 0.2um (AS-850-1022), 0.5um (AS-850-1020), 2um (AS-850-1021) and 5um (AS-850-1023)
• Available with Stainless Steel (SST) and Titanium frits.

Recommended for applications where system volume must be kept to a minimum.  Full use of the filter surface is maintained by a 5° entrance cone.  The 0.25” diameter replacement filter cartridges are available in 0.2 micron, 0.5 micron, 2 micron, 10 micron and 20 micron porosity, and have a 0.32 cm² active area.  Total internal volume is 11 µL for the 0.2 micron filter, 14 µL for the 0.5 micron filter, 18 µL for the 2 micron filter and 27 µL for the 20 micron filter.  

Compatibility Options:

• Inlet Port (Female): Waters systems compatible / Outlet Port (Male): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP)
• Inlet Port (Female): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP) / Outlet Port (Male): Valco, Parker, Swagelok & Upchurch (V/P/SW/UP)

Specifications, Frits for In-Line and Direct Connect Precolumn filters assemblies

Downloads
Filters for HPLC and UHPLC Columns