0.45 um Filter

The housing material of the 0.45 um filter head is made of high-quality polypropylene material, the pore size is 0.45um, and the filter membrane adopts the corresponding nylon hydrophilic, PES hydrophilic, MCE, CA, PP, GF, PTFE hydrophilic/hydrophobic, PVDF hydrophilic/hydrophobic, and various types and specifications. Choose to meet your multiple needs.

0.45 um filter can be used for HPLC analysis and IC analysis. The syringe filter can filter the sample solution. The outer shell is made of high-quality polypropylene material, and the high-quality filter membrane filters smoothly. The precise pore size, good toughness, and environmental friendliness ensure reproducibility and consistent filtration.

In the process of chromatographic analysis, the use of a 0.45 um filter can help meet your analysis needs and the requirements for analysis quality speed, and reproducibility.

Feature	0.45 µm Syringe Filter	0.45 µm Membrane Filter
Definition	A disposable filter device with a built-in membrane enclosed in a plastic housing	A flat, standalone membrane disc without housing
Usage	Connects directly to a syringe for quick sample filtration	Used with filter holders or vacuum systems
Typical Sizes	13 mm, 25 mm, 33 mm	47 mm, 50 mm, 90 mm, 142 mm, etc.
Convenience	Ready-to-use, easy to handle	Requires external setup (e.g., filter base, vacuum)
Reusability	Single-use	Usually single-use; some reusable with cleaning

Filtration Purpose

A 0.45 μm filter is often used to remove particles and microorganisms of larger sizes from liquids. It’s a commonly chosen pore size for sterile filtration or clarification tasks where you want to retain larger particles while allowing smaller molecules and ions to pass through.

Applications

Microbial Filtration: The 0.45 μm filter is frequently used in microbiology and cell culture laboratories to sterilize or clarify liquid media, buffers, and solutions by removing bacteria and larger microorganisms.

Sample Preparation: In analytical laboratories, these filters are used to remove particulates from samples prior to analysis, ensuring that the analytical instrument or detector isn’t clogged or affected by larger particles.

Environmental Monitoring: Water and air samples may be filtered using 0.45 μm filters to concentrate microorganisms or particulates for subsequent analysis.

Food and Beverage Industry: Filters of this pore size are used for clarifying or sterilizing liquids in the food and beverage industry, ensuring products remain free from particulates or microorganisms.

Pharmaceutical Manufacturing: In pharmaceutical production, these filters are employed to ensure that liquids and solutions are free from contaminants before further processing.

Quality Control: Laboratories also use 0.45 μm filters in quality control processes to ensure the consistency and purity of products.

Pore Size(μm)	Filter Media	Item Code	Diameter(mm)	Sterile	Pre-filter	Quantity/pk
0.45 μm Syringe Filters	Cellulose Acetate	SLCA0445N	4	No	No	100pcs
		SLCA1345N	13		No
		SLCA1345NP			PP
		SLCA1345NG			GF
		SLCA2545N	25		No
		SLCA2545NP			PP
		SLCA2545NG			GF
		SLCA3345N	33		No	50pcs
		SLCA3345NP			PP
		SLCA3345NG			GF
		SLCA5045N	50		No	25pcs
		SLCA5045NP			PP
		SLCA5045NG			GF
	Disposable Hydrophilic PTFE	WPT1345NL	13	No	No	100pcs
	Disposable Hydrophilic PTFE	WPT2545NL	25	No
	Disposable Hydrophilic PVDF	WPV1345NL	13	No
	Disposable Hydrophilic PVDF	WPV2545NL	25	No
	Disposable Hydrophobic PTFE	WPT1345NB	13	No
	Disposable Hydrophobic PTFE	WPT2545NB	25	No
	Disposable Hydrophobic PVDF	WPV1345N	13	No
	Disposable Hydrophobic PVDF	WPV2545N	25	No
	Disposable Nylon	WNY1345N	13	No
	Disposable Nylon	WNY2545N	25	No
	Disposable PES	WPES1345N	13	No
	Disposable PES	WPES2545N	25	No
	Glass Fiber	SLGF0445N	4	No	No
		SLGF1345N	13
		SLGF2545N	25
		SLGF3345N	33			50pcs
		SLGF5045N	50			25pcs
	Hydrophilic PTFE	SLPT0445NL	4	No	No	100pcs
		SLPT1345NL	13		No
		SLPT1345NP			PP
		SLPT1345NLG			GF
		SLPT2545NL	25		No
		SLPT2545NLP			PP
		SLPT2545NLG			GF
		SLPT3345NL	33		No	50pcs
		SLPT3345NLP			PP
		SLPT3345NLG			GF
		SLPT5045NL	50		No	25pcs
		SLPT5045NLP			PP
		SLPT5045NLG			GF
	Hydrophobic PTFE	SLPT0445NB	4	No	No	100pcs
		SLPT1345NB	13		No
		SLPT1345NP			PP
		SLPT1345NG			GF
		SLPT2545NB	25		No
		SLPT2545NP			PP
		SLPT2545NG			GF
		SLPT3345NB	33		No	50pcs
		SLPT3345NP			PP
		SLPT3345NG			GF
		SLPT5045NB	50		No	25pcs
		SLPT5045NP			PP
		SLPT5045NG			GF
	Hydrophobic PVDF	SLPV0445N	4	No	No	100pcs
		SLPV1345N	13		No
		SLPV1345NP			PP
		SLPV1345NG			GF
		SLPV2545N	25		No
		SLPV2545NP			PP
		SLPV2545NG			GF
		SLPV3345N	33		No	50pcs
SLPV3345NP		PP
SLPV3345NG		GF
SLPV5045N		50	No		25pcs
SLPV5045NP			PP
SLPV5045NG			GF
MCE	SLMCE0445N	4	No	No	100pcs
	SLMCE1345N	13		No
	SLMCE1345NP			PP
	SLMCE1345NG			GF
	SLMCE2545N	25		No
	SLMCE2545NP			PP
	SLMCE2545NG			GF
	SLMCE3345N	33		No	50pcs
	SLMCE3345NP			PP
	SLMCE3345NG			GF
	SLMCE5045N	50		No	25pcs
	SLMCE5045NP			PP
	SLMCE5045NG			GF
Nylon	SLNY0445N	4	No	No	100pcs
	SLNY1345N	13		No
	SLNY1345NP			PP
	SLNY1345NG			GF
	SLNY2545N	25		No
	SLNY2545NP			PP
	SLNY2545NG			GF
	SLNY3345N	33		No	50pcs
	SLNY3345NP			PP
	SLNY3345NG			GF
	SLNY5045N	50		No	25pcs
	SLNY5045NP			PP
	SLNY5045NG			GF
PES	SLPES0445N	4	No	No	100pcs
	SLPES1345N	13		No
	SLPES1345NP			PP
	SLPES1345NG			GF
	SLPES2545N	25		No
	SLPES2545NP			PP
	SLPES2545NG			GF
	SLPES3345N	33		No	50pcs
	SLPES3345NP			PP
	SLPES3345NG			GF
	SLPES5045N	50		No	25pcs
	SLPES5045NP			PP
	SLPES5045NG			GF
PP	SLPP0445N	4	No	No	100pcs
	SLPP1345N	13
	SLPP2545N	25
	SLPP3345N	33			50pcs
	SLPP5045N	50			25pcs
Sterile Cellulose Acetate	SLCA0445S	4	Yes		100pcs
	SLCA1345S	13
	SLCA1345SP			PP
	SLCA1345SG			GF
	SLCA2545S	25		No
	SLCA2545SP			PP
	SLCA2545SG			GF
	SLCA3345S	33		No	50pcs
	SLCA3345SP			PP
	SLCA3345SG			GF
	SLCA5045S	50		No	25pcs
	SLCA5045SP			PP
	SLCA5045SG			GF
Sterile Glass Fiber	SLGF0445S	4	Yes	No	100pcs
	SLGF1345S	13
	SLGF2545N	25
	SLGF3345S	33			50pcs
	SLGF5045S	50			25pcs
Sterile Hydrophilic PTFE	SLPT0445SL	4	Yes		100pcs
	SLPT1345SL	13
	SLPT1345SP			PP
	SLPT1345SLG			GF
	SLPT2545SL	25		No
	SLPT2545SLP			PP
	SLPT2545SLG			GF
	SLPT3345SL	33		No	50pcs
	SLPT3345SLP			PP
	SLPT3345SLG			GF
	SLPT5045SL	50		No	25pcs
	SLPT5045SP			PP
	SLPT5045SLG			GF
Sterile Hydrophobic PTFE	SLPT0445SB	4	Yes	No	100pcs
	SLPT1345SB	13		No
	SLPT1345SP			PP
	SLPT1345SG			GF
	SLPT2545SB	25		No
	SLPT2545SP			PP
	SLPT2545SG			GF
	SLPT3345SB	33		No	50pcs
	SLPT3345SP			PP
	SLPT3345SG			GF
	SLPT5045SB	50		No	25pcs
	SLPT5045SP			PP
	SLPT5045SG			GF
Sterile MCE	SLMCE0445S	4	Yes	No	100pcs
	SLMCE1345S	13		No
	SLMCE1345SP			PP
	SLMCE1345SG			GF
	SLMCE2545S	25		No
	SLMCE2545SP			PP
	SLMCE2545SG			GF
	SLMCE3345S	33		No	50pcs
	SLMCE3345SP			PP
	SLMCE3345SG			GF
	SLMCE5045S	50		No	25pcs
	SLMCE5045SP			PP
	SLMCE5045SG			GF
Sterile Nylon	SLNY0445S	4	Yes	No	100pcs
	SLNY1345S	13	Yes	No
	SLNY1345SP		Yes	PP
	SLNY1345SG		No	GF
	SLNY1345SG		No	GF
	SLNY2545S	25	Yes	No
	SLNY2545SP		Yes	PP
	SLNY2545SG		No	GF
	SLNY2545SG		No	GF
	SLNY3345S	33	Yes	No	50pcs
	SLNY3345SP		Yes	PP
	SLNY3345SG		No	GF
	SLNY3345SG		No	GF
	SLNY5045S	50	Yes	No	25pcs
	SLNY5045SP		Yes	PP
	SLNY5045SG		No	GF
	SLNY5045SG		No	GF
Sterile PES	SLPES0445S	4	Yes	No	100pcs
	SLPES1345S	13		No
	SLPES1345SP			PP
	SLPES1345SG			GF
	SLPES2545S	25		No
	SLPES2545SP			PP
	SLPES2545SG			GF
	SLPES3345S	33		No	50pcs
	SLPES3345SP			PP
	SLPES3345SG			GF
	SLPES5045S	50		No	25pcs
	SLPES5045SP			PP
	SLPES5045SG			GF
Sterile PP	SLPP0445S	4	Yes	No	100pcs
	SLPP1345S	13
	SLPP2545S	25
	SLPP3345S	33			50pcs
	SLPP5045S	50			25pcs
Sterile PVDF	SLPV0445S	4	Yes		100pcs
	SLPV1345S	13
	SLPV1345SP			PP
	SLPV1345SG			GF
	SLPV2545S	25		No
	SLPV2545SP			PP
	SLPV2545SG			GF
	SLPV3345S	33		No	50pcs
	SLPV3345SP			PP
	SLPV3345SG			GF
	SLPV5045S	50		No	25pcs
	SLPV5045SP			PP
	SLPV5045SG			GF
0.45 渭m Membrane Filters	Cellulose Acetate Membrane	MLCA13045	13	No	No	400pcs
		MLCA25045	25			400pcs
		MLCA47045	47			100pcs
		MLCA50045	50
		MLCA60045	60
		MLCA90045	90			50pcs
		MLCA142045	142
		MLCA150045	150
		MLCA200045	200
		MLCA293045	293
		MLCA300045	300
	Hydrophilic PTFE	MLPTL13045	13	No	No	200pcs
		MLPTL25045	25			100pcs
		MLPTL47045	47			100pcs
		MLPTL90045	90			50pcs
		MLPTL142045	142			25pcs
		MLPTL293045	293			25pcs
	Hydrophobic PTFE	MLPT13045	13	No	No	200pcs
		MLPT25045	25			200pcs
		MLPT47045	47			100pcs
		MLPT50045	50
		MLPT60045	60
		MLPT90045	90			50pcs
		MLPT100045	100
		MLPT106045	106
		MLPT142045	142
		MLPT150045	150
		MLPT200045	200
		MLPT250045	250
	MCE	MLMCE13045	13	No	No	400pcs
		MLMCE25045	25			400pcs
		MLMCE47045	47			100pcs
		MLMCE50045	50
		MLMCE60045	60
		MLMCE90045	90			50pcs
		MLMCE142045	142
		MLMCE150045	150
		MLMCE200045	200
		MLMCE293045	293
		MLMCE300045	300
	Microporous Glass Fiber	MLGF13045	13	No	No	160pcs
		MLGF25045	25			160pcs
		MLGF47045	47			40pcs
		MLGF50045	50
		MLGF60045	60
		MLGF90045	90			20pcs
		MLGF100045	100
		MLGF106045	106
		MLGF120045	120
		MLGF142045	142
		MLGF150045	150
		MLGF200045	200
		MLGF250045	250
	Nylon	MLNY13045	13	No	No	400pcs
		MLNY25045	25			400pcs
		MLNY47045	47			100pcs
		MLNY50045	50
		MLNY60045	60
		MLNY90045	90			50pcs
		MLNY142045	142
		MLNY150045	150
		MLNY200045	200
		MLNY293045	293
		MLNY300045	300
PES	MLPES13045	13	No	No	400pcs
	MLPES25045	25			400pcs
	MLPES47045	47			100pcs
	MLPES50045	50
	MLPES60045	60
	MLPES90045	90			50pcs
	MLPES100045	100
	MLPES106045	106
	MLPES142045	142
	MLPES150045	150
	MLPES200045	200
	MLPES250045	250
PP	MLPP13045	13	No	No	200pcs
	MLPP25045	25			200pcs
	MLPP47045	47			50pcs
	MLPP50045	50
	MLPP60045	60
	MLPP90045	90			25pcs
	MLPP100045	100
	MLPP106045	106
	MLPP142045	142
	MLPP150045	150
	MLPP200045	200
	MLPP250045	250
	MLPP293045	293
PVDF	MLPV13045	13	No	No	400pcs
	MLPV25045	25			400pcs
	MLPV47045	47			100pcs
	MLPV50045	50
	MLPV60045	60
	MLPV90045	90			50pcs
	MLPV142045	142
	MLPV150045	150
	MLPV200045	200
	MLPV293045	293
	MLPV300045	300

0.45 μm Membrane Filters	Sterile MCE Gridded	Item Code	Diameter(mm)	Gridded	Sterile	Quantity/pk	With Pad
		MLMCE47045GWS	47	White	Yes	100pcs	No
		MLMCE50045GWS	50				No
		MLMCE47045GWSP	47				Yes
		MLMCE50045GWSP	50				Yes
		MLMCE47045GBS	47	Black			No
		MLMCE50045GBS	50				No
		MLMCE47045GBSP	47				Yes
		MLMCE50045GBSP	50				Yes