?PACKAGE INCLUDE? 1 x airline tubing, 4 bubble release air stone, 4 black suction cups, 4 check valves, 4 control valves, 2 "I"-Connections, 2 "T"-Connections
?Material? Plastics ( When used for the first time, due to the sealed packaging, the Tubing will have a little peculiar smell. It is 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 inner 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 in the water for 1 hour before first usage; Check and replace the air stone if it stops working properly