In this blog, Mathieu Jequece, Business Development Manager from Hydro International and Hugues Julien, Manager, Head of Market – Water Management, from Stradal answer a few short questions about the Up‑Flo® Filter and explain why this innovative solution is particularly beneficial for the French market.

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What is the Up‑Flo® Filter and how does it work?

• Mathieu: The Up‑Flo® Filter is a stormwater treatment device that uses upward flow through a media bed to capture pollutants such as sediments, heavy metals, hydrocarbons, and nutrients.
• Hugues: In France, it’s particularly valued for its compact design, which makes it easy to integrate into constrained urban sites.

How can you prove the performance of the Up‑Flo® Filter?

• Mathieu: Its performance has been independently tested and verified by recognised organisations worldwide, including SQIDEP and other international certification bodies.
• Hugues: These global recognitions reassure French municipalities and developers that the product meets strict performance standards.

Why is the Up‑Flo® Filter relevant for the French market?

• Mathieu: France faces increasing regulatory pressure to reduce pollutants in stormwater. The Up‑Flo® Filter directly addresses these requirements.
• Hugues: With Stradal’s local manufacturing and distribution, French projects can access the solution quickly and reliably.

What types of sites benefit most from the Up‑Flo® Filter?

• Mathieu: It’s ideal for commercial developments, car parks, and dense urban areas where space is limited.
• Hugues: We’ve seen strong demand in peri‑urban developments and industrial zones where runoff quality is a concern.

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Image source Stradal

How does the filter handle maintenance?

• Mathieu: The media has a long service life, reducing maintenance frequency.
• Hugues: For operators in France, this means lower lifecycle costs and fewer site interventions.

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Is the Up‑Flo® Filter compliant with French regulations?

• Mathieu: It meets international standards and can be adapted to local requirements.
• Hugues: We ensure compliance with French water quality regulations and support clients with documentation for permitting.

How quickly can the Up‑Flo® Filter be delivered in France?

• Mathieu: Thanks to our global logistics network, availability is immediate.
• Hugues: With our production facilities in France, delivery and installation can be arranged rapidly.

What makes the Up‑Flo® Filter different from other stormwater filters?

• Mathieu: Its upward flow design maximizes treatment efficiency and prevents clogging.
• Hugues: French contractors appreciate its modularity and ease of installation compared to traditional systems.

Can the Up‑Flo® Filter be customized for specific projects?

• Mathieu: Yes, configurations can be tailored to site conditions and pollutant loads.
• Hugues: We work closely with engineers and municipalities to adapt units to French project specifications.

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Image source Stradal

How does Hydro and Stradal collaborate on these projects?

• Mathieu: We provide the technical expertise, design support, and proven technology.
• Hugues: We bring local manufacturing, regulatory knowledge, and installation experience — together ensuring successful delivery in France.

Define the Up‑Flo® Filter in three words

• Mathieu - Innovative. Adaptable. Proven.
• Hugues - Efficient. Compact. Reliable.

By combining Hydro International’s proven stormwater treatment technology with Stradal’s local expertise and manufacturing strength, we’re making it easier than ever to deliver reliable, compliant solutions across France. The Up‑Flo® Filter is available immediately and trusted worldwide — and together, we’re ready to support your next project.