SKU: 28331055535

Qualitative Filter Paper - 6310-4500 - Grade 631, 45cm

$89.10 $99.00
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Description

Qualitative Filter Paper - 6310-4500 - Grade 631, 45cmAhlstrom Munksj 631 15 m, Medium Speed This grade is used for the filtration of coarse particles and gelatinous precipitates such as ferric aluminum and magnesium hydroxides. Grade 631 is used in air monitoring and gas filtration when high flow rate is needed. This grade is also found in routine cleanup analysis of insoluble liquids such as biological fluids and organic elements.

Qualitative Filter Paper - 6310-4500 - Grade 631, 45cm
Shipping Notes
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SKU: 28331055535

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4.6 ★★★★★
Based on 1197 reviews
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Product Reviews
G
Verified Purchase
Gemz4Less
Fort Morgan, US
★★★★★ 5
Grinds like a champ
Color: 2pk
It was meant to replace an older, different set of grinders, and so far, it's holding up well, and grinding the peppercorns easily. The salt crystals are mostly uniform, but that's OK since we don't use it as a finishing salt. If we ever need to replace them, which I hope not this soon, we'd buy this one again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
E
Verified Purchase
Eliz
Cuba, US
★★★★★ 5
Quality pepper grinder
Color: 1 pk
Such a great pepper grinder at a great value! I will order more.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
K
Verified Purchase
KeriC
Massapequa, US
★★★★★ 5
Sleek and modern looking grinder
Color: 1 pk
Product was packaged securely and arrived in perfect condition with a cute thank you note. After a quick test and adjusting the grind coarseness, I think this will work great! Seems to be nice quality for the price. We'll see how it holds up over time. Amazon delivered to the wrong address, but I was able to retrieve the package and meet a neighbor, so no harm done.
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Reviewed in the United States on February 15, 2026
A
Verified Purchase
av71
Port Orchard, US
★★★★★ 3
Not for the weak...
Color: 1 pk
A bit tough to use. My blend has green peppercorns in it. The mill does dispense a finely ground powder but it takes some significant wrist action. I don't love this item which I find VERY "manual" though quieter than any motorized version. I wouldn't buy it again.
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Reviewed in the United States on December 3, 2025
A
Verified Purchase
Amazon Customer
Battle Creek, US
★★★★★ 5
5 Stars
Color: 1 pk
Durable, easy to use & refill, and sharp in appearance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026

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