Couplers are used to splice the ends of two lines together

Weighted Air Hose
Weighted air hose keeps your hose and your airstone on the bottom of the pond where it belongs. But it is pricey so use it until you get to shore and switch to our Vinyl Tubing with a simple connector...(click on product image for more details)
Black Vinyl Tubing
Our black vinyl tubing is preferred for use in ponds. The black color blends in with the bottom and surrounding landscape and helps to prevent algae growth inside the tubing. Ideal for use with water or...(click on product image for more details)
Y Fitting For Airline
Why ask -Y- Ok seriously, when you need to split an airline to feed two air stones, this handy little connector will do the trick.
Adapters
These handy hard to find adpters can be used in both air and water applications.
Ball Valves
Ball valves are used to control the volume of air going to an appliance or to split and control the volume of air going to several appliances.