GPL Passive Filter – Activated Carbon Filter

The GPL Passive Filter is an activated carbon filter that removes mercaptan odor from odorant or odorized natural gas, propane, biogas, RNG, and CNG.

Mercaptan Odor Removal

Reduces false leak-call complaints

The GPL Passive Filter is an economical way to remove mercaptan odor through activated carbon filtration from odorant or odorized gas bleed lines or vents. The filter can remove odorant smell at odorization stations during normal operation, maintenance, odorant transfers, decommissioning, new installations, and many other applications, reducing false leak-call complaints.

The unit comes in 15- and 30-gallon sizes and is easy to operate and install.

GPL Passive Filter Feature GPL Passive Filter Benefits
Removes mercaptan from vented odorized gas

Reduces false leak-call complaints


Deploys quickly and easily

Easy to install and operate


GPL Passive Activated Carbon Filter

The unit comes in 15- and 30-gallon sizes and is easy to operate and install.

When to Use Target Audience
  • Mitigate industrial odor problems
  • Odorant storage vessel gas venting
  • Venting actuation gas for odorizer operation
  • Odorant refill
  • Odorization equipment failure
  • Odorization maintenance
  • Decommissioning odorization equipment
  • Installation of new odorization systems
  • Natural gas industry
  • Pickling/temporary odorization contractors
  • Odorization stations
  • Technicians
  • Anyone working with raw odorant

Other Odorant Injection System Upgrades

GPL Odorizers offers full packaged odorization skids with the odorizer, ASME odorant tank, and containment assemblies; in both vertical and horizontal tank configurations.

To add an extra level of protection from weather, environmental events, and security, we offer the upgrade of a Shelter Works custom-built fiberglass building to house the entire odorization system.

Our temporary/portable odorization packages are easy to transport by a forklift and fits in the back of most pickup trucks.

  • The environmentally friendly and odorless GPL 10000 odorant injection system is an integral component of our temporary odorization system, which allows us to effectively deliver odorant in a variety of applications.

    —Amanda Koplin, CEO of Pipeline Conditioning

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