Product Category Search
Top rated qualitative lab filter paper
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Best overall
Whatman Grade 1 Qualitative Filter Paper, 11 cm
Industry standard for general filtration with consistent quality, high wet strength, and medium flow rate. Suitable for particle retention down to 11 μm.
- Excellent wet strength
- Consistent quality batch to batch
- Good flow rate
- Slightly more expensive than generics
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Best value
Fisherbrand QL100 Qualitative Filter Paper, 12.5 cm
Economical choice for routine lab filtrations with good retention and flow. Comparable to Whatman Grade 1 at a lower price.
- Lower cost
- Good retention
- Similar performance to Whatman Grade 1
- Slightly less wet strength
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Most popular for education
Advantec Grade 1 Qualitative Filter Paper, 9 cm
Widely used in educational labs for basic filtration. Offers reliable performance and is often chosen for student experiments.
- Inexpensive for bulk purchases
- Good for educational settings
- Available in multiple sizes
- Lower wet strength than premium brands
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Best for routine filtration
VWR Grade 413 Qualitative Filter Paper, 11 cm
Medium retention and flow, suitable for many general lab applications. A reliable workhorse for daily use.
- Consistent quality
- Good balance of retention and flow
- Widely available
- No unique standout feature
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Fast filtration
Whatman Grade 4 Qualitative Filter Paper, 12.5 cm
Rapid filtration for coarse particles with high flow rate. Ideal for separating large precipitates or gel-like materials.
- Very fast flow rate
- High particle retention for coarse particles
- Excellent wet strength
- Not suitable for fine particles
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European standard
Macherey-Nagel MN 615 Qualitative Filter Paper, 11 cm
Equivalent to Whatman Grade 1, widely used in European labs. Good all-round performance and cost-effective.
- Meets European standards
- Good value for money
- Reliable filtration
- Less known in North America
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Heavy-duty filtration
Whatman Grade 113 Qualitative Filter Paper, 10 cm
Thick and high wet strength filter paper for heavy precipitates. Excellent for vacuum filtration and high pressure.
- Very high wet strength
- Thick material holds more precipitate
- Durable
- Slower flow rate
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Best budget pick
Lab Depot Qualitative Filter Paper, 12.5 cm, Grade 1
Affordable generic grade 1 quality filter paper for basic lab use. Good enough for many non-critical applications.
- Very low price
- Decent performance for basic tasks
- Inconsistent quality between batches
- Lower wet strength
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