Material: Plastic Color: Blue, Green, Red High quality plastic (engineering plastic), durable with aging resistance Heat resistant; deformation resistant; long service life Compatible with various damaged EZ Clone spray heads for direct replacement Suitable for use in DIY hydroponic, aeroponic, and cloning machine systems; garden, lawn sprinkler systems; and watering systems for flowers, small trees, and greenhouses Easy to install into PVC, PPR, and PE pipes Installation: Drill a 4mm hole and insert the spray head Flow rate: 30–69 L/H (liters per hour) Recommended working pressure: 1–2 Bars (1 Bar = 14.5 Psi = 100,000 Pa) Spray radius: 0.9–1.1 m under recommended working pressure Working pressure range: 1.5 BAR, 2.0 BAR, 2.5 BAR, 3.0 BAR Color / Spray Angle / Flow Rate at Different Pressures Blue - 90°: 33 L/H, 42 L/H, 47 L/H, 58 L/H Green - 180°: 31.7 L/H, 38 L/H, 40 L/H, 69 L/H Red - 360°: 30 L/H, 39 L/H, 45 L/H, 55 L/H Spray range: 0.9–1.1 m