【360 degree adjustable】: 100pcs 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 0.16"/0.28" (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. 【Wide Usage】: 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.