![](/srf/smc/img/loader.gif)
![Push Lock Type](https://content2.smcetech.com/image/medium/AS_2_1F_A.jpg)
Push Lock Type
The AS speed controller variants with push lock allow for easy locking of the flow rate setting without a tool.
![With Indicator](https://content2.smcetech.com/image/medium/AS-FS.jpg)
With Indicator
The AS speed controller variants with indicator window allow for numerical verification of flow rate setting.
![In-line Type](https://content2.smcetech.com/image/medium/8644Em.jpg)
In-line Type
AS speed controller in-line variants saves space with direct mounting horizontal to the airline.