quantities: 150 matching kits , 150 three-way pipes, the number is sufficient to meet your needs for garden irrigation accessories Various needsThese irrigation kits convenient and will not leak easily,just push the tubing firmly over the barbs for a tight fit, they don't need others tools.Please put these drip irrigation accessories in 70-80 degree water for 10 seconds before assembly, the tube will remain tight after coolingNon-toxic and durable materials: These irrigation fittings are made of plastic, non-toxi,durable, waterproof and chemical resistantApplications:these drip irrigation accessories can be applied for elevated garden,greenhouse gardening ,agricultural watering,farm, lawn and residential,with strong practicability for youNote:These irrigation kits are designed with barbs and can be used to connect 1/4 inch drip irrigation pipes. Please check the size carefully before purchasing;If needed, you can use a heat- or blow dryer to soften of the tubing before insertingSpecification:Caliber: 4/7mmcolour: blackMaterial: plasticsize: about 34.8x21mmPackage Contents: 150*Drip irrigation tee accessoriesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.