Specification:
Length: 82ft/25meter
Inner Diameter: 4mm/0.15”
Outer Diameter: 6mm/0.23”
Color: transparent
Material: silicone

Features:
Aquariums, fish ponds, the oxygen pump dedicated connection hose, is essential supplies oxygen pumps and other equipment output.
This air line is with a standard size (4mm internal diameter) that fits most standard aquarium air pumps and air stones.

Package Included:
82ft Aquarium Tube
Size - length: 25meter(82ft); inner diameter: 4mm(3/16”); outer diameter: 6mm(1/4”); wall thickness: 1mm(0.03")
Material - silicone tube with smooth interior and exterior that prevents sediment accumulation and allows easy flow and flushing, its walls are thick enough to prevent kinks but are lightweight and flexible and can withstand rough handling and multiple usage while maintaining dimensional stability.
Clear and unobtrusive - clear and discrete, doesn't obstruct the beauty of your aquarium landscape.
Application - great for fluid handling, peristaltic pumps, siphoning, draining, aquaponics and water/oil change.
Outward appearance - transparent and very light and soft,easily hide and blendable , fits seamlessly in home aquarium and virtually disappears in the water.