Hiwi CO2 Pressure Regulator Professional Version, Reusable with Check Valve, Constant CO2 Supply for Aquarium & Pond Maintenance, Made in Germany

• Constant CO2 supply until bottle emptying
• Pressure regulator for all standard aquarium CO2 reusable bottles (standard valve W 21.8 x 1/14 inches)
• Allows precise adjustment of the CO2 supply until the bottle is emptied
• German branded product with secured spare parts supply
• Precision fine needle valve for fine adjustment of the number of bubbles per pool

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.