EasyPro Sinking Airline Hose 1/2"

1/2" Sinking Airline Hose FREE SHIPPING! 5 Year Warranty Quantity Discounts for Large Projects 1/2" ID x 1" OD PVC (Polyvinyl chloride) Guaranteed not to crack or split.  Stays flexible in all weather. 1/2" Sinking Airline Hose is a sinking polyvinyl chloride (PVC) hose having thick walls. This PVC hose or tubing does not break or split, guaranteed for 5 years. It is a lead-free hose that is the most durable on the market. The hose sinks to the bottom of the pond without the help of a brick or other heavy materials. When using standard PVC tubes, they float when filled with air making them not ideal for sinking aerators. The flexible material makes for easy installation in all temperatures. The air hose comes with a very low coil memory which makes the movement of the air hose in and out of the water very easy. This property saves labor and time.  1/2" Sinking Airline Hose contains UV protectant which protects it from damage. Moreover, this hose is puncture-resistant to fish hoo