This external CO2 diffuser ensures consistent and efficient gas diffusion for aquariums up to professional standards. It features a durable aluminum alloy body with anticathode oxidation for corrosion resistance, and an observation window for easy monitoring. The replaceable diffusion disc and open flow design optimize performance and longevity. • Fits 16/22mm hoses • Observation window for monitoring • Replaceable diffusion disc for maintenance • High-strength aluminum alloy construction • Corrosion-resistant with anticathode oxidation • 100% open flow design prevents blockages • Suitable for high-pressure systems ≥14 PSI
eBay