Air Manifolds are a very convenient, and necessary method of distributing air to where it is required, and manifolds also enable you to control the air supply.
These Air manifolds work in conjunction with an Air Pump allowing you to maximize your aeration output.
If you have a quartz sleeve make sure and clean it with acetone when you change your bulb to truly have a clean quartz sleeve. As a general rule of thumb, you should change your UV bulb after about 8,000 hours use. This is about once a year.