400 Series Blenders are available in four models to fit your blending requirements
WSB–420
The 420 features 1 fixed hopper with 2 material compartments for throughputs up to 1430 pounds per hour and 2 Major components.
![](/wp-content/uploads/2015/03/Picture131.png)
WSB-440R
The 440 R features 2 fixed hoppers and 2 removable hoppers for easy color / additive changes for throughputs up to 1400 pounds per hour and 4 components.
![Picture15](/wp-content/uploads/2015/03/Picture151.png)
WSB–440
The 440 Blender features 1 fixed hopper with 4 material compartments for blending 2 major and 2 minor components with throughputs up to 1400 pounds per hour.
![Picture14](/wp-content/uploads/2015/03/Picture141.png)
WSB–450
The 450 Blender features 1 fixed hopper with 5 material compartments for blending with throughputs up to 1100 pounds per hour.
![](https://dri-air.com/wp-content/uploads/2018/07/WSB-450-Datasheet-v3-LR-238x250.jpg)
WSB-460
The 460 Blender features 1 fixed hopper with 6 material compartments for blending 2 major and 4 minor components with throughputs up to 1100 pounds per hour.
![Picture16](/wp-content/uploads/2015/03/Picture16.png)