The CO2Art Pro-Elite Series Dual Stage CO2 Regulator is one of the most advanced CO2 pressure regulators for the aquarium. Every detail has been designed with aquarium safety and refined precision in mind. Suitable for any aquarium from 5 to 5000 liters.
PRO-SE Series - updated version of CO2 Arts most popular Dual Stage CO2 Regulator for the aquarium. Completely redeveloped with a new construction for more stable pressure. Much larger internal springs provide higher safety and greater precision at the highest level.