HPLC ACCESSORIES
Filters
46
Phone: 800-356-1688 or 814-353-1300
High-PressureFrit-Type In-LineFilter
Restek’s high-pressure in-line filter is a stand-alone version of the Trident™ column protection system,
specificallydesigned for easeof use, lowdead-volume, and flexibility.The filterhas a replaceable,PEEK™
encapsulated 316 stainless steel frit with a surface area of 12mm². The standard frit with 2.0µmporosity
may be replaced with an optional 0.5µm porosity frit. Use of this filter can greatly extend column life,
thereby reducing costs and savingmaintenance time.TubingOD
1
/
16
"; connectors–CPI.
High-PressureCup-Type In-LineFilter
This high-pressure cup-type filter canbe used in fluid streams operating to 15,000psi (103,421kPa). The
cup-shaped filter elements have a large (2.5 cm
2
) surface area to give longoperating lifetime.Mounted in
screw-type adapters, they are easily removed for cleaning. Normally, backflushing and cleaning in an
ultrasonic bath with an appropriate solvent will restore them. If they become permanently clogged,
replacement elements are available.
Housings and all wettedparts are 316 stainless steel. Filters are packagedwith glandnuts and ferrules.A
bulkhead type fitting is available for thru-panelmounting.TubingOD
1
/
16
"; connectors–CPI.
Low-PressureSlip-On InletFilter forMobilePhaseReservoir
A type 316 stainless steel tip with a Tefzel® collar seals to a corrosion-resistant type 316 stainless steel
filter element. The slip-on filter easily attaches to the pump inlet line, without the use of wrenches. The
universal tip accommodates standard Teflon® tubing inner diameters. The cylindrical filter is standard
10µmporosity.
1
/
8
"OD. FitsAltex, ISCO, LDC,Varian,Waters, PerkinElmer, andother pumps.
Low-PressureCPI InletFilter forMobilePhaseReservoir
A316 stainless steel knurled cap andTefzel®CPI ferrule seal to
1
/
8
"ODTeflon® tubingwhen finger-tight-
enedonto the precision-machined filter holder. The filter element is replaceable. Standard 10µmporosi-
typrotectsdelicatepumpcomponents fromparticlesbut introducesvery littlepressuredrop.
1
/
8
"OD.May
beused as ahelium spargingdiffuser.
Description
Porosity
qty.
cat.#
price
Frit-Type In-Line Filter
2.0µm
ea.
25041
$53
Replacement Cap Frits: 4mm
0.5µm
5-pk.
25023
$32
Replacement Cap Frits: 4mm
2.0µm
5-pk.
25022
$27
Description
Porosity
qty.
cat.#
price
Cup-Type In-Line Filter
0.5µm
ea.
25000
$81
Cup-Type In-Line Filter
2.0µm
ea.
25001
$87
Replacement Filter Elements & Seals
0.5µm
2-pk.
25002
$39
Replacement Filter Elements & Seals
2.0µm
2-pk.
25003
$39
Description
qty.
cat.#
price
Slip-on Inlet Filter
ea.
25008
$23
Description
qty.
cat.#
price
CPI Inlet Filter
ea.
25009
$49
Replacement Elements: 10µm filter
2-pk.
25010
$44
also
available
Trident
™
Direct high-pressure filter—
protection against particulatematter.
See page38 for details.
