Ressort & Tubeflex made in Switzerland
   
  Optional: flange with integrated valve nozzle,
maneuver spring protected by Tubeflex,
and handful of adjustment stainless steel brush.
  Visio 1150 H inside 100% in chamotte bricks with black faux joints.
Stainless steel dual output combustion. (on demand)
 
     
And a reasonable price for the Expos
in showrooms
Visio 1300 H with double combustion and inner 100% in fireclay bricks cream
with false joints.