What's a good product to use the smaller ones with? Amazon sell anything good?

You question makes no sense at all.

If needed, can these be cut to fit a specific size of funnel? Or would I be better off just buying some of the square filters and cutting those?

Buy the correct size for your Buckner funnel; if you are using a gravity funnel, look up how to fold round filter paper for this type filter.

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Whatman 1001-0155 Quantitative Filter Paper Circles, 11 Micron, 10.5 s/100mL/sq inch Flow Rate, Grade 1, 15mm Diameter (Pack of 500)

Product ID: 28253875

💧10.5 s/100mL/sq inch flow rate

📏42.5mm diameter precision

🧪11 micron medium retention

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€ 115.28

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In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔬 Elevate your lab game with precision you can trust!

RELIABLE 10 5 FLOW RATE - Ensures efficient filtration without compromising clarity—ideal for routine and advanced applications.
VERSATILE GRADE 1 QUALITY - Trusted across food, agriculture, air pollution, and educational labs for dependable performance.
OPTIMAL 11 MICRON RETENTION - Captures fine particulates with medium retention, balancing speed and accuracy effortlessly.
PRECISION CUT 42 5 MM CIRCLES - Perfectly sized for consistent lab results and seamless integration into your workflow.
PACK OF 100 FOR CONTINUOUS USE - Bulk supply keeps your lab running smoothly—never run out during critical experiments.

Whatman Grade 1 Quantitative Filter Paper Circles (42.5mm) offer medium retention at 11 microns and a flow rate of 10.5 s/100mL/sq inch, making them the go-to choice for diverse lab applications including food testing, agriculture, air pollution monitoring, and educational use. Packaged in convenient sets of 100, these cellulose filter papers deliver consistent, reliable filtration for both routine and specialized analytical separations.

Specifications

Customer Reviews

4.1 out of 5 stars 23 Reviews

Reviews

D**P

Evens Out Water On Coffee

I use it for my Mr. Coffee single cup/steam coffee maker. Lasts most of week and distribute water evenly.

20.01.2021

D**R

Whatman filter papers

Needed decent filter papers for waste water filtration for filtered BOD the papers were all I needed and happy with purchase I would buy these again

2.01.2014

C**G

Good quality originals

Good quality original filters from whatman

4.11.2021

C**N

Not much to mess up.

Works as advertised!

12.02.2021

K**F

just as expected

worked well for the experiment we had planned, and was same quality we purchase for our labs. I would purchase again.

22.12.2012

J**H

Just as expected

Just as described - half the price at the lab!

29.09.2014

C**N

Húmedos

Me han llegado húmedos y no me sirven porque están contaminados.

28.11.2025

P**L

looks good

looks described

28.01.2021

P**L

Good quality

Nice thick filter papers, fit a 58mm portafilter and can be reused a couple of times. Good packaging and look really good quality.

13.05.2022

M**.

Schwer Brauchbar

Saugt sich leider sehr schnell voll und macht es dann schwer brauchbar

3.02.2026

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TrustScore 4.5 | 7,300+ reviews

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