Effective Pre-filter for Existing Air Handing Systems

The Donaldson Torit Ambient Air Tubesheet is a unique filtration unit designed to be a pre-filter in existing or built-up air handling and HVAC systems. ​​​​

Ambient Air Tubesheet


Unique filtration design is especially useful in applications that require customized packaging of the filters to meet requirements for airflow, physical size, or integration with other equipment.

Excellent alternative in industrial environments where dust loading is too high for standard HVAC panel-type filters.


Ultra-Web® cartridge filters provide high filtration efficiency and long filter life.

MERV 15 filtration efficiency rating per ASHRAE 52.2-2007.

Automatic pulse-cleaning design for continuous operation.

Cost Effective

Low operating pressure drop reduces energy cost.

Easy filter changeout for quicker maintenance.

Product Literature
Ambient Air Tubesheet Datasheet

Operational Explanation

During normal operation, air flows inward through the intake duct and passes through the filter elements. Dust is collected on the outside surfaces of the elements. Clean air flows through the center of the elements into the clean air plenum.