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4" (100mm) Heavy Duty Bottom Drain with Air Diffuser 4" (100mm) Heavy Duty Bottom Drain with Air Diffuser
4" (100mm) Heavy Duty Bottom Drain with Air Diffuser
2 In stock
4" (100mm) Heavy Duty Bottom Drain with Air Diffuser
4″ (100mm) 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 water tight 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.
- perfect for Koi ponds and swim ponds
4" (100mm) Heavy Duty Bottom Drain with Air Diffuser
4″ (100mm) 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 water tight 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.
- perfect for Koi ponds and swim ponds
