Grohe 38505000 Skate Air S Control Panel.
The elegant and precisely designed modern GROHE Skate Air hidden tank control panel is equipped with all the features and innovative technologies that are suitable for a modern lifestyle. 
The standard-sized control panel (156 x 197 x 10 mm) is coated with a durable but easy-to-clean GROHE Long-Life coating. 
In addition, it is an environmentally friendly product! The two-stage flushing system allows you to choose between a washing volume of 3 or 5 liters (or 3 and 4.5 liters on some ceramic housings). You can also stop the full wash by pressing a small button. 
GROHE Water Saving washing technology reduces water consumption by up to 50% without compromising high productivity! The assembly is simple, requires a standard revision shaft and requires no tools. The panel is ideal for use with our Rapid SL mounts with GD 2 tanks. The hidden GROHE Skate Air tank control Panel: a bathroom product that combines sophisticated style with performance!
PRODUCT SPECIFICATION：
• for two-stage control or start/stop control
• For the AV1 pneumatic safety valve
• vertical mounting
• Size:156 x 197 mm
• Material:Made of ABS plastic
• GROHE Long-Life Coverage
• GROHE Water Saving, lower water consumption and Perfect Flow technology
• Compatible with hidden Rapid SL and Uniset GD 2 tanks