From LeisurePro:
Pneumatically balanced second stage
Patented Orthodontic Mouthpiece with High-Density Bite Tabs
Ergonomic A.V.S. (Adjustable Venturi System) Dive/Pre-Dive Switch
High visibility yellow front cover
Comes standard with a 36in / 91cm yellow hose
List Price: $189.95
Our Regular Price: $170.95
Through Wednesday July 13, 2011 Only: $119.95