Adjustable:8 spray hole and can adjust water rate , also for cutting off the water . water passages and -flushing action help prevent clogging Widely used:Great for watering potted plants,For agriculture, lawn, garden sprinkler irrigation drip Making effective use of water: to maintain constant when Long laying or pressure fluctuations, irrigation uniformity, slow watering rate allows soil to water more completely in the zones of plants Good seal and long serving life Automatic cleaning, the starting water erosion channel, anti-clogging performance to maintain constant when Long laying or pressure fluctuations, irrigation uniformity Great for Automatic watering potted plants 1/4-inch barb thread connection Making effective use of water and saving water Adjustable range:1-70L/h Working pressure:1-3KG colour:Red & Black material:plastic size:4mm / 7mm (inner / outer diameter) tube, length 25mm Package Contents: 200 * irrigation sprinkler Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.