Laboratory insights, guides & resources
Practical information to help you evaluate products, understand applications, and make informed laboratory decisions.
Selection guide
Membrane material selection
Compare PES, PTFE, nylon, PCTE, and glass microfiber by chemical compatibility, binding, and typical use.
Selection guide
Pore size and diameter selection
Separate pore rating, physical diameter, support requirements, and workflow constraints.
Workflow guide
Microbiology filtration workflow
The membrane, media, and documentation decisions across a standard filtration-based microbiology workflow.
Evidence guide
Reading PFAS product evidence
What a source-designated PFAS-free claim does and doesn't mean, and what to request before you rely on it.
Selection guide
How to choose a capsule filter
Capsule vs. syringe filters, sizing by flow rate, connections, and single-use workflow considerations.
Material guide
Meltblown polypropylene filters
How meltblown media is made, why it's used for depth filtration, and where it fits in a filtration train.
Selection guide
Vacuum filtration: bottle-top vs. standalone
How vacuum filtration works, when to use each format, and what actually drives throughput.
Selection guide
Filter paper grades
Qualitative, quantitative, and technical grades—what each is built for.
Workflow guide
Chromatography sample prep: SPE workflow
A practical solid phase extraction workflow and where filtration fits in.
Selection guide
When you need a multilayer syringe filter
What the extra prefiltration layer adds, and when it's worth it.
Selection guide
Glass microfiber filters
High-capacity prefiltration and clarification, and its trade-offs versus membrane.
Selection guide
PFAS-free labware
What it covers and when you actually need it.
Selection guide
Choosing PFAS-free pipette tips
Fit, volume range, filter options, and evidence scope.
Selection guide
Environmental & water testing filtration
A buyer's overview from sample prep to microbiological analysis.
Selection guide
Sterile vs. non-sterile filters
When sterility is a real requirement, and when it isn't.
Material guide
Filter housing materials
Polypropylene, polycarbonate, and stainless steel compared.
Selection guide
How to read a filter part number
Decode material, pore size, diameter, and pack size from the name.
Selection guide
SPE cartridges: a practical introduction
Sorbent chemistries and how to pick a starting point.
Selection guide
Membrane selection for HPLC & GC sample prep
Avoiding extractables and analyte loss ahead of injection.
Selection guide
Track-etched vs. depth filtration
Choosing the right filtration mechanism for the job.