6 - 9 l adjustable | adjustment ex factory 6 l and 3 l | pneumatic discharge valve offering 3 modes of operation: dual flush or start/stop or single flush | water supply from left/right/back or top | low noise (group I acc. to German Noise Specification) | insulated against condensation | ½" water supply connection including integrated angle valve and push fit flexible hose union | no tools required for the installation of the inspection shaft incl. protection during construction phase | for vertical or horizontal use | flush pipe insulated against condensation | fixing brackets | without wall plate/actuation | GROHE Water Saving - Less water, perfect flow | with inlet pipe and connector | for mounting of small flush plates please order revision shaft 40 911 000 (sold separately)