YA is the basic regular for CO2 Small cartridge. Aqua Design Amano introduced the world's first small cartridge system in aquarium industry, and developed many CO2 regulators for a long period of time. We value both safety and function, and chose to use reliable Japanese parts for the regulator. The accuracy of Speed Controller adjustment has been improved furthermore, and CO2 system 74-YA also fulfills needs of advanced aquarium hobbyists.

- Decompression function/ 0.3 (+-0.1) MPa
- A bottle of CO2 system 74 Tropical Forest No. 1 Amazonia included
- Using CO2 small cartridge in laid condition may lead to malfunction of the regulator or become a cause of glitch. Please make sure to use the small cartridge in standing position in Cap Stand (Optional). The Internal seal exchange is not necessary.