Oxygen Pump Hose AirBubble Stone Aquarium Fish Tank Pond Pump Tube4*6mm. The aquarium soft tube is made of high qulitysilicone, good toughness, not easy to break or age.It is used to connect air pump or air stone. Tranparent tube, won't affect the aquariumsightseeing.

• Oxygen Pump Hose Air
  Bubble Stone Aquarium Fish Tank Pond Pump Tube
  4*6mm

• Features:

• The aquarium soft tube is made of high qulity
  silicone, good toughness, not easy to break or age.It is used to connect air pump or air stone.

• Tranparent tube, won't affect the aquarium
  sightseeing.

• A necessory for aquarium.

• Size:Inner Dia. :4mm

• Outer Dia.: 6mm

• Material: silicone

• Color: Transparent