Description

USA Lab Qualitative Filter Paper - Medium 30-50um Micron - Various Sizes

USA Lab Qualitative Filter Paper is designed for general laboratory filtration applications requiring reliable particle retention and medium flow. With a particle retention range of 30-50µm and an ash content of ≤0.15%, this qualitative filter paper provides an affordable option for routine filtration needs.

The medium-flow filtration characteristics make this paper suitable for a variety of laboratory filtering purposes where controlled particle retention and practical filtration performance are required. It is available in various sizes to accommodate different laboratory filtration setups.

Each pack contains 100 sheets, providing a convenient supply for recurring laboratory filtration work. The QUAL-M specification offers a cost-effective alternative for users seeking dependable qualitative filter paper without the expense associated with premium filtration media.

Qualitative Filtration 30-50µm Retention Medium Flow ≤0.15% Ash Content

Particle Retention: 30-50µm — supports routine laboratory filtration and particle separation.

Medium Flow Rate: Medium — provides balanced filtration performance for general-purpose applications.

Low Ash Content: ≤0.15% — provides a low-ash qualitative filter paper option for laboratory use.

Why buy from USA Lab

Expert Support
Engineers & technicians on staff.

Quality First
Tested and trusted products.

Fast Fulfillment
Nationwide 1-2 day shipping.

Warranty & Parts
US-based service & spares.

Why choose USA Lab Qualitative Filter Paper?

General-purpose qualitative filtration — designed for a wide range of laboratory filtering purposes.
30-50µm particle retention — provides the specified retention range for routine filtration applications.
Medium flow rate — offers practical filtration performance for general laboratory workflows.
Low ash content — specified at ≤0.15% for applications requiring low-ash qualitative filter paper.
Affordable filtration — provides a cost-effective option for recurring laboratory filtration needs.

Talk to an expert

Get product guidance, application support, and compatibility information for your laboratory filtration workflow.

Call 734-855-4890

Technical Specifications

Specification	Details
Product Name	USA Lab Qualitative Filter Paper - Medium 30-50um Micron - Various Sizes
Brand	USA Lab
Product Type	Qualitative Filter Paper
Classification	Qualitative
Particle Retention	30-50µm (micron)
Flow Rate	Medium
Ash Content	≤0.15%
Quantity	Pack of 100
Size	Various
Filter Media	Filter Paper
Filtration Type	Qualitative Filtration
Primary Function	General-purpose laboratory filtration
Retention Range	30-50µm
Filtration Performance	Medium Flow
Laboratory Application	General filtering purposes
Pack Format	100 sheets per pack
Size Configuration	Various sizes available
Filter Paper Specification	QUAL-M
Return Policy	Filter paper is not returnable

Popular Industries & Use Cases

Laboratory Research Pharmaceutical Research Chemical Sciences Academic Research

Business Solutions & Procurement

Programs & Terms

Exclusive options for businesses and academics.

Apply for Net Terms Academic Discount

Documentation & Compliance

Keep purchasing streamlined and compliant.

Request a Quote Tax Exemption

Custom Solutions

Tailored equipment and integration help.

Custom Request Consulting

Talk to Sales

We’ll help spec the right filtration products for your laboratory workflow.

Call 734-855-4890 Email Sales/Support

FAQ

What is the particle retention range of the USA Lab Qualitative Filter Paper?

The USA Lab Qualitative Filter Paper has a particle retention range of 30-50µm (micron), making it suitable for general-purpose qualitative laboratory filtration.

What is the ash content of the USA Lab Qualitative Filter Paper?

The USA Lab Qualitative Filter Paper has an ash content of ≤0.15%.

What is the flow rate of the USA Lab Qualitative Filter Paper?

The USA Lab Qualitative Filter Paper has a medium flow rate, providing balanced filtration performance for general laboratory filtering purposes.

How many sheets are included with the USA Lab Qualitative Filter Paper?

The USA Lab Qualitative Filter Paper is supplied in a pack of 100 sheets and is available in various sizes.

Important Shipping Notice!

DISCLAIMER:

Filter paper is not returnable.

All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.

Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.

Need Support?

We’ll get you answers fast.

Call 734-855-4890

Specifications

MPN:	QUAL-M
Brand:	USA Lab
Return Policy:	Not Eligible for Return/Refund

Shipping & Returns

1–3 Business Days Standard Processing

Return Policy ↗ Varies by Product Warranty Policy ↗ Varies by Product

3 Days to Claim Inspect on Arrival

Shipping

Orders ship within 1–3 business days after payment clears. We ship Monday through Friday via UPS, USPS, and freight carriers.
Freight items (crated, hazmat, dropship, or special packaging) can take 1–5 business days to ship.
Expedited shipping speeds up transit, not processing. Contact us for true rush orders.
PO Box addresses ship USPS. Alcohols, chemicals, and hazmat cannot ship to a PO Box.

Full Shipping Policy

Delivery & Damage Claims

Inspect every shipment on arrival. Claims must be filed within 3 business days.
Visible damage? Refuse the delivery and have the driver document it. We will file the claim and ship a replacement.
Concealed damage: contact us within 2 days with photos of the packaging and item. Keep all packing materials.
Freight services (liftgate, residential, inside delivery) are the customer's responsibility to select for their location.

Damage & Freight Details

Returns

USA Lab branded products are returnable within 30 days of order date with prior authorization. Email us before sending anything back.
Solvents, chemicals, and consumables are not returnable once shipped. Custom and made-to-order items are final sale.
Unused items in original packaging carry a 15% restocking fee. Defective items ship back on us.
Items showing any signs of use, wear, contamination, or modification are not eligible for return.
Glassware damage must be reported within 3 business days of delivery for replacement or refund.

Full Return Policy

Custom & Made-to-Order Items

Customized and made-to-order products are final sale and not eligible for return under any circumstances.
This includes ductless fume hoods, configured tanks and reactors, and any item built to your specifications.
These products are manufactured specifically for your application. Confirm sizing, voltage, and configuration with our team before ordering.
Damage claim coverage still applies. Inspect on arrival and report issues within 3 business days.

Return Eligibility Details

Warranty

USA Lab products are covered against manufacturing defects for up to 3 years, depending on product line.
1 year: chillers, heaters, rotovaps, reactors, vacuum ovens, mixers, and most equipment. 2 years: UVP vacuum pumps. 3 years: scientific freeze dryers.
Wear items (glassware, gaskets, heating elements, sensors) and fittings/steel are not covered. Report defects within 30 days (3 days for glass).
Non–USA Lab brands are covered by their manufacturer's warranty. See the product's Warranty tab.

Full Warranty Policy

International Orders

Import duties, taxes, VAT, and brokerage fees are not collected by USA Lab and are the receiver's responsibility.
Verify your country's customs charges and import restrictions before ordering.
Refused or unclaimed international shipments are refunded minus shipping and a 15% restocking fee.
International orders are generally non-returnable. Damaged items must be reported within 3 business days.

International Guidelines

Questions before you order?

Real people in Livonia, MI. Fast answers, Monday through Friday.

Call 734-855-4890 Contact Us

Summaries above are provided for convenience. The full Policies & Warranty Info pages govern all orders and may be updated at any time.

For Business

Custom

Support

USA Lab Qualitative Filter Paper - Medium 30-50um Micron - Various Sizes

Resources & Downloads