【360 degree adjustable】: 20pcs 360° Drip Irrigation Emitters Full circle spray pattern, adjustable flow rate irrigation drippers, you can adjust the amount of water by twisting the outer cap to open or block the holes, saving the water water resources and money. 【Design】: Irrigation Drippers Connectable to 4mm/7mm or 0.16inch/0.28inch (inner/outer diameter) tube, ideal for flower bed automatic drip and sprinkler watering system, plant bed, vegetable patch, herb garden, lawn, green house, flower pots. 【High Quality】Made from quality materials. Lightweight, anti-acid and alkali, anti-corrosion, low temperature resistant, odorless. The bottom of the dripper is sharp and easy to insert into the ground. (13 cm / 5.1 inch) 【Wide Use】: Drip irrigation emitters can be used in low pressure situation. Suitable for pots, tubs, ground cover, landscape gardens, flower beds, vegetable gardens, greenhouse, orchard, lawn, self-planting, watering herb gardens, etc. Size: 135 mm Colour: black (blue