X-zoo Aquarium Air Pump Accessories, 21 PCS Pump Kit 16.4 ft Airline Tubing, 4 Air Stone, 4 Check Valves, 4 Control Valves, 4 Suction Cups, 2 “I” Connectors, 2 “T” Connectors
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【PACKAGE INCLUDE】 1 x airline tubing, 4 bubble release air stone, 4 black suction cups, 4 check valves, 4 regulate valves, 2 “I”-Connections, 2 “T”-Connections
【Subject material】 Plastics ( When used for the primary time, because of the sealed packaging, the Tubing can have a bit atypical smell. It is strongly recommended to soak in clean water for 1 hour before use. )
【Size】 16.4 feet / 5 meters length airline tubing, 4mm / 0.16″ inner diameter( And the interior diameter of other accessories are 4mm / 0.16″)
【Widely use】 The aquarium air pump valve distributors set is suitable for all aquariums
【Reminder】 Soak the air stone within the water for 1 hour before first usage; Check and replace the air stone if it stops working properly