ONA Air Filter – 315mm

In-Duct Odor Control for ONA Blocks

The ONA Air Filter 315mm is designed to be installed directly into an air hose or duct. Place one or more ONA Blocks inside to permanently and reliably neutralize odors from your grow room.

The system is based on proven ONA technology that doesn't just mask odors — it breaks them down completely. Simply insert the filter into a 315mm duct, load it with the desired number of ONA Blocks, and enjoy long-lasting odor control right away.

Highlights

Fits air hoses or ducts of 315mm
Equipped with a compartment for ONA Blocks (sold separately)
Easy to integrate into existing ventilation systems
Compact, sturdy, low-maintenance construction
Continuous odor neutralization for as long as ONA Blocks are loaded

Benefits

Neutralizes odors permanently instead of masking them
Installs directly into your ventilation system
Reliable and easy to use
Ideal for growers who need continuous odor control