200 pcs Adjustable Irrigation Sprinkler & 100pcs Tee connector Adjustable irrigation drip sprinkler drip irrigation system, automatic cleaning, start water erosion runner, anti-clogging performance. With a 1/4-inch barb thread connection, it is Perfect for potted plants For 4mm / 7mm (inner / outer diameter) tube. Can remain unchanged or pressure fluctuations for a long time, water evenly Quickly and easily connect 1/4 inch drip tubing in a "T" shape with these barbed fittings. Great for watering potted plants. Made of high quality engineering plastics,Durable, strong, water resistant High quality barbs grab tubing creating a fast, and secure leak-proof connection.Easy to install, securely connected, not easy to fall off Automatic cleaning, the starting water erosion flow channel, anti-clogging performance Able to Maintain constant when Long laying or pressure fluctuations, irrigation uniformity Material: Plastic Adjustable flow range: 1-70L/h Working pressure: 1-3KG Great for watering potted plants Has a 1/4-inch barb thread connection Suitable for 4mm/7mm(Inner/ Outer diameter) tube Colour:red-black & Black Material:plastic Tee connector Size:4mm Package Contents: 200 x Adjustable Irrigation Sprinkler 100 x Tee connector