$278.99
Many pond builders have found that adding a bottom drain helps keep a pond cleaner. Fish waste and other muck that accumulates on a pond bottom can be easily removed by a bottom drain. Ponds that are over 2′ deep can become stagnant without a bottom drain.
4" EasyPro Heavy Duty Bottom Drain Kit with Air Diffuser - BDK3A
The popular EBD bottom drain has been redesigned for 2011, and is now available with or without air diffuser. The Bottom Drain Kits are designed to connect bottom drain into skimmer box and include bottom drain, 3" bulk head fitting, 3" valve and fittings (flex pipe sold separately).