Sonoslot 275

The Sono lock is an acoustic damper and self-regulating sliding vent set for assembly on the window profile. The Sono lock has three sections. First, a self-regulating outside sliding vent (type 472) to be mounted on the outside of the window profile. Secondly, a self-regulating inside sliding vent (type 787AK) to be mounted on the inside of the window profile. And thirdly, an acousting-reducing sleeve that must be installed in the fixed sliding opening, in the window profile.