Pris De Mousse translates to 'formation of bubbles' and perhaps that is how it got its name, as it is also works well in the secondary to help restart fermentation.
Stainless Steel Tri-Clover Extension Tube With PRV - 1.5" TC (1 3/4")
Stainless Steel Tri-Clover Micro Sight Glass - 2" TC
Collapsible Plastic Beverage Dispenser - 5.5 L
Collapsible Plastic Beverage Dispenser - 9.5 L