General description 100pcs blue irrigation drippers designed for 360-degree adjustable micro-sprinkler systems. These emitters are perfect for various gardening applications, including flower beds, vegetable gardens, and greenhouses. They allow for efficient water usage by enabling users to adjust the flow and coverage area. Technical specifications Quantity: 100 pieces Adjustable flow rate: 0 to 23 gallons US per hour Watering circle diameter: 0 to 6.5 feet Compatible tubing: 4mm/7mm or 0.16/0.28 inches (inner/outer diameter) Length: 13 cm / 5.1 inches Usage Ideal for automatic drip and sprinkler watering systems Suitable for pots, tubs, ground covers, landscape gardens, flower beds, vegetable gardens, greenhouses, orchards, lawns, and herb gardens Other information Made of high-quality, lightweight materials Features anti-acid and alkali properties, anti-corrosive, and low-temperature resistance Odorless design Sharp bottom for easy insertion into soil