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This set of accessories includes suction cups, a silicone tube, and a check valve to assist with installing glass items for CO2 distribution. To ensure optimal performance, it is recommended to replace the check valve and the silicone tube once a year.
Note: The highly polymerized vinyl chloride silicone tubes included with this product become hardened and lose performance if used in water for extended periods; we suggest replacing them once a year. For a secure connection to glass items, ensure that the tube is inserted firmly and deeply.
For Preorder items please see the ADA & DOOA Preorder policy page.