Raindrip 360G00UB Drip Irrigation Compression Coupler w/Blue Rings, 0.71" 2-PACK For use with 0.710" O.D. hose only. Blue compression ring. Made from ABS. For water pressure up to 60 PSI. Ends are color coded for easy size identification. For use with 0.710" O.D. hose only Blue compression ring Made from ABS plastic For water pressure up to 60 PSI Ends are color coded for easy size identification Made in USA. This feature allows the higher flow rates required when watering large and small plants on the same circuit. Convert existing 1/2 in. underground sprinkler systems to low flow watering where a drip circuit can't be set up. Adjustable bubblers are available in stream spray with a maximum spray diameter of 3 feet 30 PSI or for finer water droplets. Facilitates higher flow rates for watering diverse plant sizes on a single circuit. Converts 1/2 in. underground sprinkler systems to low-flow watering, ideal for areas unsuitable for drip circuits. Adjustable bubblers offer options for stream spray (up to 3 feet diameter at 30 PSI) or finer water droplets. Versatile Application: Suitable for various applications including gardens, flower beds, vegetable patches, and potted plants. Maintenance-Friendly: Features that make maintenance easier, such as self-cleaning emitters or easy-to-access parts for cleaning and repairs.