GLA GRO-series CO2 regulators are built with superior & innovative components for CO2 precision and lifetime CO2 distribution. Our GRO series CO2 regulators are designed to last you a lifetime of planted aquarium enjoyment. We design and hand build our CO2 regulators in the USA, our business is founded on providing lifetime CO2 technology and CO2 distribution excellence.

Superior grade aluminum regulator body

Cutting edge micro-precision needle valve

Industrial performance 'cool touch' solenoid valve

Premium GLA bubble counter with check valve to protect internal components

Multi-stage micron filtration inlet and outlet

Laser precision metal-on-metal valve seat

Integrated pressure relief valve (PRV)

Professional quality pneumatic components

Custom built, pressure tested, and leak tested in the USA. We are confident that our GRO-series GLA CO2 regulators rise above and outlast the competition.

Our business is to provide professional quality CO2 regulators and systems to the aquarium hobbyist and to specialized CO2 applications seeking the best CO2 equipment available. We design our CO2 collection with pro-quality pneumatic components to provide an extremely reliable, long-term solution for CO2 distribution. Our CO2 experts build each regulator to order and provide longterm customer care for each regulator shipped out of our distribution center.

Installation: DIN477 British/European

Output Pressure: 0 - 70 PSI

Includes: one nylon inlet seal

(CO2 tubing not included, purchase tubing here)

Shipping & Lifetime Warranty

Current lead time of 1-3 business days. Orders ship in 1-3 business days.

We do not accept returns on CO2 Regulators.

GLA GRO-series regulators are covered under a LIFETIME warranty.