This is an adapter to connect CO2 System 74-YA Ver.2 and SA regulator to the refillable CO2 tank.With CO2 Adapter, you can switch to Tower from Tropical Forest and vice versa.
* This is exclusively designed for ADA genuine CO2 System74-YA / Ver.2 and SA. Includes an Extra Inner Seal.
BIO Hemianthus callitrichoides ‘Cuba’
Aqua Product & Technology (APT)