Chihiros CO2 regulator

Chihiros CO2 Pressure Regulator is a precision device that reduces CO2 cylinder pressure (57 bar) to usable levels for aquariums. Features easy-to-read gauges (0–90 psi) and adjustable pressure screw for precise CO2 control. W21.8 thread compatible with reusable cylinders. Fits 4/6 mm hoses. Compact, minimalist design. Can be paired with solenoid valve (sold separately) for automatic night shut-off.

Specifications:

• Category: Aquarium CO2 Regulator

• Brand: Chihiros

• For: CO2 cylinders with W21.8 thread

• Dimensions: 10.5 × 110 × 80 mm

• Gauges: Working pressure 0–90 psi

Key Features:

• Precise CO2 Control: Pressure adjustment screw for accurate dosing.

• Pressure Gauges: Easy-to-read displays for monitoring.

• Elegant Design: Compact and minimalist for modern aquascapes.

• Universal Compatibility: Works with 4/6 mm hoses and W21.8 cylinders.

• User-Friendly: Easy installation for beginners and pros.

• Night Shut-Off Ready: Compatible with solenoid valve for automatic timing.

Instructions for Use: Connect to CO2 cylinder with W21.8 thread. Tighten union nut by hand. Adjust working pressure with screw. Connect to 4/6 mm hose. Add solenoid for night shut-off. Ensure seal is seated correctly.