DURABLE FOR LONG USEProducts using the new high quality plastic, stable quality, long service life. STABLE PRESSURE Pressure compensation (1-4 bar) regardless of pressure for consistent water flow. CARE FOR YARD PLANTSSuitable for long row plants and for watering individual plants. FLOW OF WATERWater flow rate is 20L/H from dripper. This is a common size used on water filter systems, water coolers, and so on. Fdit is a selfless and careful craftsman of home kitchen supplies, he is dedicated to provide the high-end home kitchen supplies for ordinary people. We take every order seriously while our customers choose our product, because it is your convenient life. It's no joke, we believe you care about your family greatly These drippers adopt premium materials to ensure their high quality. Ideal for watering potted plants, gardening and public green, landscape gardening production, agricultural production and so on. Specification : Condition: New Material: ABS Pressure: 0.5-3.0 kg Flow rate: 20L/H Interface size: 4/7mm pipe Package Included: 50 x Yeuri Drippers Note: 1. Please allow 1-2cm error due to manual measurement and make sure you do not mind before ordering. 2. Please understand that colors may exist chromatic aberration as the different placement of pictures