about this article Made of brass: strong and rust resistant and durable material that can last for a long time Suitable for fountain spraying, agricultural irrigation, industrial irrigation, roof cooling, pesticide spray irrigation, bridge, road irrigation, etc. Products can spray over a large area and quickly reduce temperature; Provides a cool haze effect, producing a hazy sense; Easy to install: can be securely attached in seconds. Distributes a flow of water in two different directions, allowing you to easily replace, repair and repair water supply systems The beam diameter is 1-4 meters. (Spray up to 4 meters); Connection of a 4/7 hose (diameter 5 mm) or a 9/12 adapter; Brass adjustable fog particle mist (according to the atomizer principle); Flow rate: 0.2 to 0.7 liters / min; Product Features: 1. Adjustable brass fog particle mist (using atomizer principle); 2nd flow: 0.2 to 0.7 liters / min; 3. The beam diameter is 1-4 meters. (Spray up to 4 meters); 4. Connect the 4/7 hose (diameter 5mm) or the 9/12 adapter; 5. Removable nozzle for easy cleaning; 6. Meet the strict requirements of greenhouse seedlings and flower cultivation for water mist; 7. Applicable for irrigation, balcony garden, greenhouse humidification and cooling. Features: Material: copper+plastic Size: 4 * 1.2 cm / 1.57 * 0.47 in Color: black with gold Material: Brass Hydraulic pressure: 1.5-3.0 kg Flow range: 0.2-0.7L/min Spray area: approx. 1-4 meters Connecting Part Outer Diameter: Approx. 6mm Connection inner diameter: approx. 3mm Connection with flexible 4/7 (inner diameter: 5mm) or switch with flexible 9/12 Note: 1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3cm error due to manual measurement. Comes with: 15 x copper fountains