Gas turbine air intake filter

Twist lock filter cartridge

Efficient solutions for air intake systems.

We offers two versions of twist lock cartridge filters. The well-known US twist lock cartridge, commonly used for gas turbine air inlet housing, and our twist lock filter cartridge, which is available with a lock mechanism that is either 47 or 52 mm high.

Both versions are suitable for gas turbine air inlet housing and can be equipped with various high-quality filter media making it suitable for all operating environments throughout the world.

The twist lock filter cartridge is installed horizontally.

Product variants



Top cap
Galvanized steel / Stainless steel
Inner mesh
Galvanized steel
Outside straps
Galvanized steel / Glued or ultrasonic welded Weltech straps
Closed bottom cap
Galvanized steel / Stainless steel
Filter media
Can be equipped with filter media selection


  • Desert (Hot and dry with heavy sand blowing)
  • Offshore (Salty corrosive moisture, high humidity and occasional heavy fog)
  • Coastal (Corrosive moisture, high humidity and occasional heavy fog)
  • Arctic (Dry air, snow and frost can block filters)
  • Tropic (Hot and high humidity)
  • Urban (Polluted air and high level of particles)

Contact us

Hengst SE
Nienkamp 55-85
48147 Münster
© 2023 Hengst SE

Contact form

With questions and suggestions you are exactly right here. Write us a message, we will reply as soon as possible. Contact Form

purifying our planet

Our vision

We make the planet a purer place with our products. We also take this journey as cleanly as possible.


We develop the filtration solutions of the future. For our customers and for society.


Our focus is on energy efficiency. This protects the environment and saves costs.