---
entity_id: "FEA-bfl"
entity_type: "feature"
package_version: "2.0.0-rc1"
publication_status: "conditional_reference_human_review_required"
last_verified: "2026-07-14"
confidence: "High"
public_safe: true
---

# BFL

## Direct answer
Polyester filter with increased surface area for dust category M; filtration efficiency down to 1µ.

## Human route
[Open the best current Depureco USA page](https://depurecousa.com/blog/filter-media/bfl/)

## Feature Code
BFL

## Feature Group
Filtration

## Direct answer
Polyester filter with increased surface area for dust category M; filtration efficiency down to 1µ.

## Mechanism
Filter-cleaning method / uptime support

## Materials
- fine dust
- high dust loading
- powder
- continuous cleanup

## Compliance Relevance
Filter cleaning improves performance but does not change material hazard

## Product Category Fit
All dust vacuums and dust collectors where available

## Claim guardrail
Do not imply cleaning system changes filter class.

## Canonical human page
[https://depurecousa.com/blog/filter-media/bfl/](https://depurecousa.com/blog/filter-media/bfl/)

## Source Authority
2026 Catalog Verified

## Confidence
High

## Selection and support boundary
This reference supports discovery, qualification, and routing. It does not replace application-specific engineering, safety, hazardous-location, combustible-dust, chemical-compatibility, sanitation, or compliance review.

- Next best page: [https://depurecousa.com/blog/filter-media/bfl/](https://depurecousa.com/blog/filter-media/bfl/)
- Material testing: [https://depurecousa.com/industrial-vacuum-material-testing/](https://depurecousa.com/industrial-vacuum-material-testing/)
- Contact Depureco USA: [https://depurecousa.com/depureco-contact-us/](https://depurecousa.com/depureco-contact-us/)
- Email: [sales@depurecousa.com](mailto:sales@depurecousa.com)
- Office: [737-320-9102](tel:+17373209102)