Do your 56mm filter paper fit a diameter outside: 50mm filtration flask?

No _ I had to cut them down ; 50 mm papers seem hard to get 😞

Do you offer a filter paper to fit a 94 mm buchner that is a smaller micron than 20 ?

Dear Customer, Sorry, we currently only have filter papers that feature 20 Micron. Thanks, Lizzy L

Dear Customer, The item is for laboratory use only. Thanks, Lizzy L.

What is the temperature range they will work with and which solvents are compatible?

For my purposes filtering will be done below freezing so wouldn't be much help as far as your question the range of working temp. It is not specified on packaging but filters seem solid

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StonyLab Qualitative Filter Paper Circles, 94mm Diameter Cellulose Filter Paper with 20 Micron Particle Retention Medium Filtration Speed, Pack of 100

Product ID: 152919780

Details

Material
Paper
Brand
stonylab
Colour
94mm Diameter
Capacity
500
Wide-end diameter
94 Millimetres

⚡35-70 sec rapid filtration

📏94mm precision diameter

🧹≤0.15% ultra-low ash content

Description

🧪 Elevate your filtration game—precision, speed, and purity in every sheet!

ULTRA LOW ASH RESIDUE - Maintain sample purity with ≤0.15% ash content, ensuring your results stay uncontaminated and reliable.
RAPID FILTRATION SPEED - Experience efficient lab workflows with a swift 35-70 second filtration time, saving you valuable minutes every run.
BULK PACK OF 100 SHEETS - Stay stocked and ready for any project with a generous pack size designed for busy professionals and high-throughput labs.
PRECISION CUT 94 MM DIAMETER - Perfectly sized for seamless compatibility with StonyLab 100mm Buchner funnels—no guesswork, just flawless fit.
ROBUST 20 MICRON PARTICLE RETENTION - Effectively traps particles larger than 20 microns, delivering consistent and high-quality filtration performance.

StonyLab's Qualitative Filter Paper Circles offer a 94mm diameter cellulose design with rapid 35-70 second filtration speed and ultra-low ash content (≤0.15%). Engineered to retain particles larger than 20 microns, these filter papers ensure high purity and compatibility with 100mm Buchner funnels, making them an essential staple for efficient, reliable lab filtration workflows.

Specifications

Manufacturer	StonyLab Scientific
Part number	DX-FilterPaper-94mm
Item Weight	75 g
Product Dimensions	9.4 x 9.4 x 2.4 cm; 75 g
Manufacturer reference	DX-FilterPaper-94mm
Size	94 mm Diameter
Colour	94mm Diameter
Material	PE_(Polyethylene), Paper
Batteries included?	No
Batteries Required?	No

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