FILTRATION WEEKLY: Market Validation & Breakthrough Innovation

🌐 FILTRATION WEEKLY: Global Industry Intelligence

Issue: FW040526 | Date: April 5, 2026

Industry Intelligence | Brief of the World Filtration Institute (WFI)

This issue features developments from Atmus, Parker-Hannifin, Claros Technologies, Rice University, Donaldson Company, and more.

EXECUTIVE SUMMARY

The filtration industry is entering a phase of strong institutional validation and technological acceleration. Atmus Filtration Technologies’ inclusion in the S&P SmallCap 600, alongside record performance from Parker-Hannifin and valuation upside for Donaldson Company, underscores growing investor confidence. At the same time, breakthroughs from Rice University and Claros Technologies signal a shift from PFAS capture to scalable destruction technologies. Coupled with sustainability leadership from Ahlstrom and ongoing global expansion, filtration is evolving into a high-performance, innovation-driven infrastructure sector. TOP NEWS HEADLINES (LAST 7 DAYS)

1. Atmus Filtration Technologies Set to Join S&P SmallCap 600 (April 2, 2026)

   S&P Dow Jones Indices announced that Atmus (NYSE: ATMU) will replace Air Lease Corp in the S&P SmallCap 600 effective April 9. This transition marks a major milestone in the company’s independent market presence and institutional profile.

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2. Parker-Hannifin Reports Record Quarter and Outlines Strategic Integration of Filtration Group (April 5, 2026)

   Parker-Hannifin (NYSE: PH) exceeded analyst expectations with record quarterly sales and earnings. The company is now focused on a 6-to-12-month integration plan for the recently acquired Filtration Group Corporation to influence its long-term business mix.

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3. Donaldson Fair Value Estimates Adjusted Following Strong Power Gen Order Book (April 5, 2026)

   Following its record Q2 performance, analysts adjusted Donaldson’s (NYSE: DCI) fair value to $98.20 this week. The upside is supported by an aggressive power generation order book and the high-margin integration potential of the Facet acquisition.

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4. Atmus Opens Expanded Testing Laboratory at Quimper, France Site (April 2, 2026) Atmus Filtration Technologies (NYSE: ATMU) officially opened its modernized testing facility in Quimper, France. The laboratory is designed to reduce testing lead times for European customers by performing local validation that previously required support from global sites. The facility enables multivariate testing that more accurately simulates real-world operating conditions, specifically targeting OEM requirements for heavy-duty and industrial applications.

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5. Ahlstrom Advances "Sustainability by Design" at Nashville Packaging Summit (April 2, 2026)

   Ahlstrom is set to showcase its latest fiber-based technologies designed to replace plastics and enhance circularity across the filtration and packaging value chain.

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6. Rice University Achieves PFAS Capture-and-Destroy Cycles at 100× Current Speed (April 2, 2026)

   Researchers demonstrated a breakthrough process that cycles capture and destruction at 100 times existing speeds. The approach simultaneously concentrates and mineralizes PFAS, opening the door to continuous-flow industrial systems.

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7. Claros Technologies Validates 99.99% PFAS Destruction at Industrial Scale (April 3, 2026)

   Claros successfully destroyed over 99.99% of PFAS in 170,000 gallons of industrial water using its photolytic system—the first validated industrial-scale deployment requiring no thermal incineration.

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8. Ahlstrom Publishes 2025 Sustainability Report; Targets Lab & Life Sciences (March 31, 2026)

   Ahlstrom announced that two-thirds of its portfolio now consists of "Safe and Sustainable by Design" solutions. The company reported improved profitability and a 20% reduction in its total recordable incident rate, maintaining its Platinum EcoVadis Medal.

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9. H&V Welcomes Sandra Martinez as Chief People Officer (April 1, 2026)

   Hollingsworth & Vose announced the appointment of Sandra Martinez as Vice President and Chief People Officer. Martinez, formerly with the Barnes Group and General Electric, will lead H&V’s global workforce initiatives and DEI strategy.

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LIVE SESSIONS THIS WEEK

• Air Filtration, April 7, 2026

• Air Quality Governance III, April 9, 2026, Register now (free)

About WFI

The World Filtration Institute (WFI) is a global non-profit organization dedicated to supporting the filtration and separation industry and advancing the science and technologies for a cleaner, healthier, smarter, and more sustainable future.

Learn more: https://www.wfius.org/

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