Cyklops makes the quietest machine on the market.  All steel side frames, 24v DC electronics, a good moistening delivery system, large water bottle are a few of the advantages.

22 pre-set measures from 4" to 44" with a +2" key
Two Pushbutton Keys to memorize lengths for "H" box sealing.
Heater standard to help reactivate the hardened dried glues.