Works with cylinder or yeast generated CO2 supplies. Super easy set up, no connection needed to existing filters, just attach the CO2 line and plug it in. Maintenance and cleaning is a snap without connections to existing filters. Smooth, even 2” dia. discharge flow keeps more CO2 in suspension for longer. Rugged heavy duty construction, Chamber guaranteed 1 year against defects in material and workmanship, Pump guaranteed for six months.