- Includes a bubble counter and needle valve
- For use with single and dual stage regulators
- Easy to install
Product Description:
The SR Aquaristik CO2 Regulator Expansion Module is ideal for hobbyists who want to run more than one aquarium with one regulator. This simple to install independent control makes it quick and easy to expand your new or existing regulator.
![LG V50 ThinQ 5G Case, V50 ThinQ Wallet Case, Wrist Strap Pu Leather Wallet Case [Kickstand] with ID & Credit Card Slots - Vivid Sunflower](https://www.teehiegadget.shop/image/lg-v50-thinq-5g-case-v50-thinq-wallet-case-wrist-strap-pu-leather-wallet-case-kickstand-with-id-amp-credit-card-slots-vivid-sunflower_j58fqN_285x.webp "LG V50 ThinQ 5G Case, V50 ThinQ Wallet Case, Wrist Strap Pu Leather Wallet Case [Kickstand] with ID & Credit Card Slots - Vivid Sunflower")
