Heavy Duty Trucking Logo
MenuMENU
SearchSEARCH

Proventia Flow Through Filter Available for Thermo King Reefers

Rypos, Holliston, Mass., developer and distributor of exhaust filtration systems, has been appointed by Proventia, an exhaust filtration manufacturer in Finland, as their exclusive North American distributor for the Proventia Flow Through Filter

by Staff
July 17, 2008
1 min to read


Rypos, Holliston, Mass., developer and distributor of exhaust filtration systems, has been appointed by Proventia, an exhaust filtration manufacturer in Finland, as their exclusive North American distributor for the Proventia Flow Through Filter.


This new product is California Air Resources Board verified to Low Emission (LE) standards for Thermo King Transport Refrigeration Units. The Level 2 Plus CARB Verification states that during extensive tests, the filter reduced particulate matter by 50 percent or more on transport refrigeration units using Yanmar and Isuzu diesel engines.

The Proventia FTF is a solid state filter that traps and burns soot reducing particulate matter emissions by more than 50 percent. Designed for ease of installation, this new product provides owners of model year 2002 and older transport refrigeration units a low cost option for making their TRUs CARB compliant. Following and extensive field test program with several large fleet operators, the Proventia FTF was granted approval under Executive Order DE-08-001.

The new FTF product is available immediately and Rypos is accepting orders for third and fourth quarter deliveries.

More info: www.rypos.com

Topics:Products
Subscribe to Our Newsletter

More Products

Geotab screen on AI concept background
Fleet ManagementJune 17, 2026

What Geotab's New AI Connector Means for Fleets

Fleets can now ask their usual AI assistants questions about maintenance, safety, fuel use, and vehicle performance, using their live Geotab data, and take action on the answers without leaving their preferred AI tool.

Read More →
Dual truck tires with black aerodynamic wheel cover and a man bending down getting ready to take one off
Fuel Smartsby Deborah LockridgeApril 10, 2026

Deflecktor: Hubbub Aerodynamic Wheel Cover Cost-Effective Even for Trailers

Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor says its latest design aims to make the technology easier and more affordable to deploy.

Read More →
Photo of back of aluminum flatbed trailer on show floor
Equipmentby Deborah LockridgeApril 2, 2026

Fontaine Expands Flatbed Lineup with New Fleet-Focused Models, Eyes 2027 Launch

Fontaine is broadening its flatbed lineup with new models aimed at fleets, including a lightweight aluminum trailer expected in 2027 that emphasizes durability, repairability, and lower cost.

Read More →
Ad Loading...
YouTube thumbnail with Fontaine Force flatbed trailer
Equipmentby Deborah LockridgeApril 2, 2026

Fontaine's Fleet-Focused Force Flatbed Prototype [Watch]

A new prototype from Fontaine Trailer focuses on what fleets say they need most: easier repairs, lower maintenance costs, and practical, service-friendly design.

Read More →
Collage of Top 20 Product award ceremonies
EquipmentMarch 31, 2026

HDT Honors the Best New Products of 2025 at TMC [Photos]

Heavy Duty Trucking's Top 20 Products awards recognize the best new products and technologies. Check out the award presentations at the 2026 Technology & Maintenance Council annual meeting.

Read More →
freightliner whitepaper
SponsoredMarch 31, 2026

Detroit Engines: Trusted Performance, Built for What's Next

The Detroit® Gen 6 engine platform proves that real progress doesn’t require a complete redesign. Built on 20 years of trusted technology, these engines are designed for efficiency, stronger performance, and greater reliability than before. And they do it all while complying with 2027 EPA standards on every mile.

Read More →
Ad Loading...
HDT Top 20 Products Award Logo
Fleet Managementby Deborah LockridgeFebruary 13, 2026

HDT Top 20 Products 2026: The New Tools, Technologies, and Ideas Shaping Trucking

From pricing intelligence and compliance tools to charging infrastructure, diagnostics, tires, and AI, HDT’s 2026 Top 20 Products recognize the new tools, technologies, and ideas heavy-duty trucking fleets are using to run their businesses.

Read More →
Photo of GO Focus Pro dashcam
Fleet Managementby News/Media ReleaseFebruary 11, 2026

Geotab Launches AI-Powered GO Focus Pro Dash Cam With 360-Degree Visibility

Geotab launches GO Focus Pro, an AI-powered 360-degree dash cam designed to reduce collisions, prevent fraud, and protect fleets from nuclear verdict risk.

Read More →
SponsoredJanuary 19, 2026

Basic Tracking vs Next Generation Fleet Technology

Fleet software is getting more sophisticated and effective than ever, tying big data models together to transform maintenance, safety, and the value of your existing tech stack. Fleet technology upgrades are undoubtedly an investment, but updated technology can offer a much higher return. Read how upgrading your fleet technology can increase the return on your investment.

Read More →
Ad Loading...
Illustration of new Continental truck tires with urban background
Maintenanceby News/Media ReleaseJanuary 6, 2026

Continental Tire Adds Size Extension to Regional Drive and Steer Tires

The Conti HDR 5 and Conti HSR 5 tires are now available in size 245/70R19.5, designed for urban and regional fleets in high-scrub environments

Read More →