GLOSSARY - PRODUCT TYPE
Grille - Louvered or perforated covering for an opening in an air passage which can be located in a wall, ceiling, or floor.
Register - A combination grille and damper assembly over an air opening
Diffuser - Circular, square, rectangular, or linear air-distribution outlet, generally located in the ceiling, and composed of deflecting members discharging supply air in various directions and planes and arranged to promote mixing of primary air with secondary.
Linears - Custom extruded aluminum grilles and diffusers designed for efficient air distribution and architectural requirements. Used for variable air volume systems and often for a continuous length.
Access Doors - A door or panel to provide entry to ducting for inspection, repair, or service of HVAC systems.
GRD - Grilles, registers and diffusers.
GRD Accessories - Accessories for grilles, registers and diffusers, such as blankets, screws or dampers.
Dampers - Element inserted into an air-distribution system or element of an air-distribution system permitting modification of the air resistance of the system and consequently changing the airflow rate or shutting off the airflow.
Outside Air Louvers - Device consisting of an assembly of parallel sloping vanes, intended to permit the passage of air while providing a measure of protection against environmental influences.