The Dirty Filter · Videos

Filtration, in focus.

Short editorial films. Better questions. Clearer decisions.

Pen-and-ink illustration of filtration samples and blank reference documents on an editorial workbench.

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Welcome to The Dirty Filter

The business of filtration, the realities of operating it, and the reference documents that help you ask better questions.

Monochrome editorial illustration of a cooling tower basin with sediment, a side-stream filtration skid and maintenance notes.

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Cooling-tower filtration is an operations decision, not a bolt-on cure

Cooling-tower filtration can help with solids and fouling, but the business case starts with water balance, chemistry limits and maintenance ownership — not a cartridge or separator spec sheet.

Conceptual illustration of trade-show attendees discussing filter media and equipment samples.

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FiltXPO’s 2026 Agenda Points to Filtration’s Practical Pressure Points

FiltXPO 2026 is being presented as a two-day filtration and separation gathering at the Minneapolis Convention Center on October 28-29,

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INDA appoints Ben Muller as executive director amid alliance transition

INDA, the Association of the Nonwoven Fabrics Industry, named Ben Muller executive director on September 15. The appointment creates a new layer

Pen-and-ink illustration of a closed bag filter housing, clean spare bag, gasket and blank maintenance log.

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A Filter Change Needs a Record, Not Just a New Bag

A maintenance record connects the replacement element to the equipment, operating conditions and procedure used to install it.

Conceptual housing cutaway with a filter basket, seal detail, and material samples.

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Corrosion-Resistant Housings: Check the Rating Conditions

Check the exact model’s pressure-temperature envelope and wetted materials before choosing a corrosion-resistant housing.

Bag filter housing beside engineering drawings, a checklist, and measuring tools.

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Bag Filter Housing Documents: What to Compare

Compare housing documentation with a practical checklist of ratings, materials, dimensions, and service requirements.

Conceptual illustration of differently sized particles passing through fibrous filter media.

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Micron Ratings: Ask for the Efficiency

A beta-ratio reference table explains why particle size alone does not describe filter performance.

Exploded O-ring and groove illustration beside a caliper.

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O-Ring Selection: Material and Dimensions

Use Parker’s material and sizing tools alongside your housing manufacturer’s seal specification.

Conceptual ink illustration of an elastomer seal between machined flange faces.

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Chemical Compatibility: Start with the Seal

Find seal compatibility references and the service conditions needed before selecting a compound.