6-Outlet Air Valved Manifold
This 6-Outlet Air Manifold is designed to split the air supply from a large air pump into several small airlines and air stones. The inlet fits 3/8" tubing. The 6 outlets fit 3/16" 'aquarium size' airline and are completely adjustable.
Features:
You can use rainwater to fill your pond, but keep in mind that it is very soft water. If you primarily use rainwater, be sure to check your pH regularly because it could become too low and cause serous problems.