PondMAX 4" (100mm) Heavy Duty Bottom Drain with Air Diffuser

4" (100mm) Heavy Duty Bottom Drain with Air Diffuser

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. 

Bottom Drain Features:

• Heavy duty, roto-molded design offers superior strength
• Welded FPT threaded inlet eliminates the need for rubber coupling
• Threaded center stand pipe securely attaches dome lid to base
• Sixteen stainless screws securely attach liner ring to base with watertight seal
• Incorporates an air diffuser into the dome lid – incoming air is delivered up through the center stand pipe allowing air tubing to be installed under liner
• Tubing adapter is 1/2″, recommended air flow through diffuser is 0.5 1.5cfm.