Uhome 2014 style 25/50/100 pcs Adjustable Irrigation Sprinklers Emitter Drip System on 1/4" Barb Adjustable flow drops for irrigation (25) Great for watering potted plants. Suitable for 4mm/7mm(Inner/Outer diameter) tube Has a 1/4-inch barb thread connection. color:as the picture pacakge:25/50/100pcs