One Way Diffusers
Provides maximum air pattern flexibility in any direction by means of two sets of individually adjustable vanes with either horizontal face vanes and vertical rear vanes or vertical face vanes and horizontal rear vanes (horizontal vanes used for air drop correction and vertical vanes used for lateral air pattern adjustments).

Two Ways Diffusers
Provides maximum air pattern flexibility in any direction by means of two sets of individually adjustable vanes with either horizontal face vanes and vertical rear vanes or vertical face vanes and horizontal rear vanes (horizontal vanes used for air drop correction and vertical vanes used for lateral air pattern adjustments).

Three Ways Diffusers
Provides maximum air pattern flexibility in any direction by means of two sets of individually adjustable vanes with either horizontal face vanes and vertical rear vanes or vertical face vanes and horizontal rear vanes (horizontal vanes used for air drop correction and vertical vanes used for lateral air pattern adjustments).

Four Ways Diffuser
Provides maximum air pattern flexibility in any direction by means of two sets of individually adjustable vanes with either horizontal face vanes and vertical rear vanes or vertical face vanes and horizontal rear vanes (horizontal vanes used for air drop correction and vertical vanes used for lateral air pattern adjustments).

Square Flat Diffuser
Provides maximum air pattern flexibility in any direction by means of two sets of individually adjustable vanes with either horizontal face vanes and vertical rear vanes or vertical face vanes and horizontal rear vanes (horizontal vanes used for air drop correction and vertical vanes used for lateral air pattern adjustments).

Perforated Diffuser
Provides maximum air pattern flexibility in any direction by means of two sets of individually adjustable vanes with either horizontal face vanes and vertical rear vanes or vertical face vanes and horizontal rear vanes (horizontal vanes used for air drop correction and vertical vanes used for lateral air pattern adjustments).

Swirl Diffuser
Provides maximum air pattern flexibility in any direction by means of two sets of individually adjustable vanes with either horizontal face vanes and vertical rear vanes or vertical face vanes and horizontal rear vanes (horizontal vanes used for air drop correction and vertical vanes used for lateral air pattern adjustments).

Plaque Diffuser
Provides maximum air pattern flexibility in any direction by means of two sets of individually adjustable vanes with either horizontal face vanes and vertical rear vanes or vertical face vanes and horizontal rear vanes (horizontal vanes used for air drop correction and vertical vanes used for lateral air pattern adjustments).
