GORE® Automotive Vents for Fluid Reservoirs

Automotive fluid reservoir vents from Gore effectively manage pressure differentials and prevent contamination that can degrade reservoir performance and the performance of related components and the systems that depend upon those fluids.

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Weldable Vents

Automotive Vents

These weldable white circular cut-part vents have an all-ePTFE membrane (no backing material) that equalizes pressures while resisting urea and other environmental contaminants. Multiple installation options are available.

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Fluid reservoirs mounted under the hood/body are subject to frequent temperature changes that cause expansion and contraction. Altitude changes can cause pressure differentials that can pull contaminants of all types – water, dirt, dust, debris and automotive fluids – into the reservoir, compromising its performance and that of related systems.

As an additional hurdle, new fluid reservoir designs must also be resistant to water spray and/or splash to ensure long term reliability.

Our vents offer long-term resistance to urea crystal growth, for reliable and sustained equalization of reservoir pressures. In addition, our vents provide:

  • water ingress protection
  • particulate protection, preventing entry of dust, dirt and debris
  • resistance to automotive fluids including, car wash fluids, and lubricants

Gore engineered venting products can provide a single venting solution for fluid reservoir venting needs, including urea reservoirs for Selective Catalytic Reduction (SCR) systems. Additionally, our vents’ low profile construction can simplify attachment during production.

As a result, our vents for fluid reservoirs can contribute to reduced unit costs - and enhanced reliability.

Product Specifications

GORE® Automotive Vents for Fluid Reservoirs are extensively tested, evaluated and qualified to perform consistently and reliably.

We offer a selection of vents designed especially for Urea/SCR applications.

GORE AVS 90, AVS 92, AVS 93, AVS 94, AVS 95 AVS 90, -92, -93, -94 & -95:
Low-profile vents reliably equalize pressures and resist damage from direct urea exposure, to extend reservoir service life. Five sizes available, for fast, easy weldable installation.

Please view our current Data Sheet for more detailed product information.

NEW: AVS 110

New GORE® Adhesive Vent AVS 110


Smaller size, proven durability, predictable airflow. For small under-hood electronic enclosures. Learn more.



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Battery pack manufacturers across the globe are working to design optimized, reliable battery packs for battery-electric and plug-in hybrid electric vehicles (BEVs / PHEVs). The battery packs of the future will require less space, volume, and weight than current designs, while still providing reliable protection for battery components during normal and severe driving conditions.

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GORE™ Low Pressure Evacuation Vent Introduced at The Battery Show Europe: Enabling The Freedom To Design Battery Packs Of The Future

Posted May 7, 2019

Gore introduced the GORE™ Low Pressure Evacuation Vent for Battery Packs, enabling the design of lighter, leaner, and smarter battery packs without sacrificing protection against harsh environmental conditions, at the Battery Show Europe. The new GORE™ Vent integrates three of the most important protection functions into one product.

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Not for use in food, drug, cosmetic or medical device manufacturing, processing, or packaging operations.