Sterile Hydrophilic PTFE Syringe Filters

Sterile Hydrophilic PTFE Syringe Filters

Diameter: 4mm, 13mm, 25mm, 33mm, 50mm
Pore Size: 0.22μm, 0.45μm
Inlet: Female Luer lock
Outlet: Male Luer Slip
Housing: PP
Pre-filter: 1μm GF or PP
Maximum Pressure: 5.2bar
Operate temperature: 60℃



The Hydrophilic membrane with excellent chemical resistance for use with organic and aqueous; low UV absorbing extractable and low nonspecific protein binding.


ISO9001, CE double approved, Test Report available
Using Germany / US imported membrane inside
Manufactured in 100,000 class clean room
Comprehensive pore size from 0.1μm to 10μm
Ultrasonic welding ensures no contaminant to samples
Medical grade PP housing with wide compatibility with most HPLC sample matrices
Universal Luer fitting ensure compatibly with syringe
Equivalent quality with Millipore, Whatman, Advantec
OEM service available
Protect any analytical system, extend LC column lifetime
Rugged construction to bear autoclave at 121℃ at 1 bar for 20 minutes/EO/Gamma


Hydrophilic syringe filter
Lowest level of IC extractable
Broad chemical compatibility and flexibility in the lab
optimizing background levels in sensitive IC analyses
Standard1um pre-filter (Glass fiber or PP )for optimal performance with particulate-laden analyses
Gamma sterilization


Filtration of aggressive organic or highly basic solutions, transducer protectors.
HPLC aqueous and organic solvent sample preparation & clean up

Chemical Compatibility

1. Compatible with: Aggressive solvents, strong acids, alcohols, bases, aromatics
2. Incompatible with:
Perchloric acid
Methylene chloride (limited exposure)
Dioxane, DMF, formic acid >50%

Technical Data

Filter Media Sterile Hydrophilic PTFE
Pore Size, μm 0.22μm, 0.45μm
Diameter 4mm 13mm 25mm 33mm 50mm
Housing Medical PP Medical PP Medical PP Medical PP Medical PP
Filtration Area 0.2cm2  1.3cm2 4.9cm2 8.5cm2 19.8cm2
Maximum Pressure 5.2bar 5.2bar 5.2bar 5.2bar 5.2bar
Process Volume 2mL 10mL 100mL 200mL 5000mL
Hold-up Volume < 10μL < 50μL < 100μL < 200μL < 350μL
Inlet Female Luer Lock Female Luer Lock Female Luer Lock Female Luer Lock  Both inlet and outlet is 7-13mm stepped hose barb connection with 6:100 Luer slip
Outlet Male luer slip Male luer slip Male luer slip Male luer slip
Flow Direction Flow should enter from the inlet Both is fine
Maximum Operating Temperature 60℃
Sterilization Gamma Irradiation
Endotoxin ≦0.25 EU/ML

Instruction Drawing

syringe filters analysis chart

Ordering Information

Item Code Pore Size(μm) Diameter(mm) Sterile Pre-filter Quantity/pk
SLPT0422SL 0.22 4 Yes No 100pcs
SLPT0445SL 0.45 4 Yes No 100pcs
SLPT0422SP 0.22 4 Yes PP 100pcs
SLPT0445SP 0.45 4 Yes PP 100pcs
SLPT0422SLG 0.22 4 Yes GF 100pcs
SLPT0445SLG 0.45 4 Yes GF 100pcs
SLPT1322SL 0.22 13 Yes No 100pcs
SLPT1345SL 0.45 13 Yes No 100pcs
SLPT1322SP 0.22 13 Yes PP 100pcs
SLPT1345SP 0.45 13 Yes PP 100pcs
SLPT1322SLG 0.22 13 Yes GF 100pcs
SLPT1345SLG 0.45 13 Yes GF 100pcs
SLPT2522SL 0.22 25 Yes No 100pcs
SLPT2545SL 0.45 25 Yes No 100pcs
SLPT2522SLP 0.22 25 Yes PP 100pcs
SLPT2545NLP 0.45 25 Yes PP 100pcs
SLPT2522SLG 0.22 25 Yes GF 100pcs
SLPT2545SLG 0.45 25 Yes GF 100pcs
SLPT3322SL 0.22 33 Yes No 50pcs
SLPT3345SL 0.45 33 Yes No 50pcs
SLPT3322SLP 0.22 33 Yes PP 50pcs
SLPT3345SLP 0.45 33 Yes PP 50pcs
SLPT3322SLG 0.22 33 Yes GF 50pcs
SLPT3345SLG 0.45 33 Yes GF 50pcs
SLPT5022SL 0.22 50 Yes No 25pcs
SLPT5045SL 0.45 50 Yes No 25pcs
SLPT5022SP 0.22 50 Yes PP 25pcs
SLPT5045SP 0.45 50 Yes PP 25pcs
SLPT5022SLG 0.22 50 Yes GF 25pcs
SLPT5045SLG 0.45 50 Yes GF 25pcs

We have more than thirty lines for the production of micro-porous Membranes, Syringe filters, Sample vials, Septa and caps, along with Filter Paper, Vacuum pumps and manifolds.

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