General description 100pcs Irrigation Dripper features a 360° adjustable micro sprinkler designed for 1/4 inch (4-6mm) irrigation tubing. These drip irrigation emitters provide a full circle spray pattern, allowing you to efficiently water various types of gardens and landscapes while conserving water resources. Technical specifications Quantity: 100 pieces Adjustable water flow: 0 to 23 US gallons per hour Watering diameter: 0 to 6.5 feet Material: Lightweight, anti-acid, anti-alkali, anti-corrosive, low temperature resistant, and odorless Dripper length: 13 cm (5.1 inches) Compatibility and accessories Connectable to 4mm/7mm or 0.16"/0.28" (inner/outer diameter) tubing Usage Ideal for flower beds, plant beds, vegetable gardens, herb gardens, lawns, greenhouses, and flower pots Can be used in low-pressure situations