Description
![Photo 1 - Spiral Duct Grilles. Photo 1 - Spiral Duct Grilles.](https://airvector-hvac.com/wp-content/uploads/2020/12/GDA2.png)
![Photo 2 - Spiral Duct Grilles. Photo 2 - Spiral Duct Grilles.](https://airvector-hvac.com/wp-content/uploads/2020/12/GDA22.png)
GDS1, Single Deflection, Steel construction.
Horizontal Face Blades
GDS10-H Aluminum Fins
GDS17-H Steel Opposed Blade Damper
GDS18-H Aluminum Fins with Air Scoop
Vertical Face Blades
GDS10-V Aluminum Fins
GDS17-V Steel Opposed Blade Damper
GDS18-V Aluminum Fins with Air Scoop
![Photo 3 - Spiral Duct Grilles. Photo 3 - Spiral Duct Grilles.](https://airvector-hvac.com/wp-content/uploads/2020/12/GDA2.png)
GDS2, Double Deflection, Steel construction.
Horizontal Face Blades
GDS20-H SteelFins
GDS27-H Steel Opposed Blade Damper
GDS28-H Steel Fins with Air Scoop
Vertical Face Blades
GDS20-V Steel Fins
GDS27-V Steel Opposed Blade Damper
GDS28-V Steel Fins with Air Scoop
![Photo 4 - Spiral Duct Grilles. Photo 4 - Spiral Duct Grilles.](https://airvector-hvac.com/wp-content/uploads/2020/12/GDA22.png)