2 Quick Connectors and 1 Direct Connection: The set includes 2 garden hose connectors and 1 direct connection. The outer diameter of the direct connection hole is 15mm, the inner diameter is 9mm, and the length is about 90mm. The inner diameter of the quick connector is 20mm and the outer diameter is 25mm. High-quality ABS plastic: The hose coupling with regulating valve is made of ABS plastic with TPR soft ue, which has good impact resistance and wear resistance, can be used at extremely low temperatures, and has no cracks due to low temperatures. Standard threaded connection, good sealing performance, no leakage when connecting. Water flow control switch design: In the center of the water pipe quick connector, there is a switch design with which you can easily change the water flow and control the size of the water flow. To open, turn the switch to the right, the water flows smoothly, turn left to close. The water flow regulator helps protect water resources. Easy to install: The