The GHL Doser 2.1 Slave needs to be...
Non Return Valve made from plastic for air hose 4/6 mm. The non return valve protects your air pump against back flow of water.
Connection piece for Air Hose 4/6 mm, Y-Piece.
Air Tap made from plastic for regulating the air flow. For air hose 4/6 mm.
System enables the distribution of the air to 5 separate outlets. With connector for Air Hose 4/6 mm. The air flow can be setted very accurate and precise for each outlet separately. Precision needle valves with O-Ring.
Pipe 4 / 4-5 per meter