How to purchase gas sensor?

There is no add to cart for the Gas Sensor on the site?

How do I do this?

I don’t think we carry a gas sensor, do we? Can you provide a link?

it’s the alcohol sensor… which is a gas sensor (I think)

http://www.seeedstudio.com/wiki/File:Alcohol_sensor.jpg

wait… I think I see…

http://www.seeedstudio.com/depot/Grove-Alcohol-Sensor-p-764.html

duh.