Vktech Premium 500Pcs Adjustable Drip Emitters for Garden and Greenhouse Watering System

500Pcs 1/4 Inch Adjustable Irrigation Drippers Rotating Sprinklers Micro Drip Irrigation Sprinklers for Balcony Yard Greenhouse Features: 1. Secure Connection: These irrigation drippers features a 1/4-inch barbed thread connection, ensuring compatibility with 4mm/7mm (inner/outer diameter) tubing, providing a reliable and constant watering flow even with prolonged use or  fluctuations. 2. Wide Coverage: When fully open, the drip irrigation emitters can cover a 10 to 12-inch radius, while the adjustable valve cap allows for precise control of water flow and spray diameter via a ratcheting mechanism and base grooves, down to a complete shut-off. 3. Self-Cleaning Dripper: The adjustable drip irrigation sprinkler is designed with an automatic cleaning function that initiates water flow to flush the passageways, offering strong anti-clogging performance. 4. Water Efficiency: This rotating sprinkler ensures consistent operation over extended periods or under varying  conditions, delivering uniform irrigation and slow watering rates for thorough soil absorption in the plant root zone. 5. Adjustable Irrigation: This micro drip irrigation sprinkler's flow rate and radius can be tailored to specific needs, providing efficient and even water distribution, making it an ideal component for a customizable drip irrigation system.   Specification: Origin: Mainland China Material: High Quality PP Plastic Color: Red, Green Optional Quantity: 500Pcs Water Volume: 0-70L Per Hour Hole Position: 8 Applicable: Irrigation For Gardens, Orchards, Crops, Potted Plants, Etc.   	Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring.