... arm pop-up sprinkler with adjustable spray angle Application:Apply for grassland, airport, stadium, golf ground or tree in courtyard, ... , sports, or pollard.Open valve when start irrigating, sprinkler will stretch out from ground automatically at high water pressure on it, and ... 0086 136 1027 0596 / 0086 138 0884 1980 Irrigation Spinklers for Landscape, Lawn Sprinklers, Water Nozzles for Green Belts