ITEM NAME:4-Head Brass 1/2" DN15 Garden Watering Agriculture Spray Nozzle Sprinkler Description: Material: Brass; 1/2" DN15 20mm Thread Diameter Working Pressure: 2-4kg; Spray Diameter: 1-2m/3.28-6.56ft; Spray angle: 180Â ° Applicable in the courtyard, lawn, construction sites, mine field, roofs, farms, gardens, agriculture, industrial irrigation. Mainly used for atomizing nozzle, irrigation of small area of agriculture and industry, cooling of roof, cooling of air.General use of tap water type low pressure sprinkler irrigation.Specially thickened adapter. Mainly used for atomizing nozzle, irrigation of small area of agriculture and industry, cooling of roof, cooling of air conditioner.