Material: Plastic, 3 different air tube connector(T Shape ,I Shape, + shape),10 Meter tube ,1pc aquarium tortoise air stone Bubble maker, 2pcs controller Aquarium Air Pump Flexible Airline Tubing great for all your aquarium airline needs and Clear and flexible tubing that resists kinking.Safe for fish and good for fresh or salt water environments. 3 different connector is easy and convenient to install. Fit to use with 5mm aquarium air line tubing. Protect you air pump by preventing aquarium water from back siphoning during a power outage. Place in your airline tubing between your air pump and aquarium water to prevent water returning down the air line. Air Stone:-Material: Mineral stone + Plastic, Size in Dia:8cm/3.1",Tapper-shape connector to fit on your aquarium pump hose.Before first use,please put it in water for at least 15 mintures. It produces fine bubbles making it efficient in the replacement of Oxygen in fish ponds, tanks or hydroponic systems.A great way to properly aerate a home aquarium. It creates a circle of bubbles that helps keep healthy fish and adds to the beauty of the aquarium. Straight and T-shaped connectors perfectly connect standard tubing, T-shaped connector allows you to combine two inputs to create one output with dual outlet pumps. Notes for Air Stone: 1.Before first use,please put it in water for at least 15 mintues. 2.Please make sure enough power of your air pump to make this air bubble stone work at it's best. 3.This air bubble stone is washable,please get it washed after long use.
