Make sure the hose is softened before connecting. A firm push with a little added wiggling gets the hose on with sprinkler.you soak end of 1/4 inch tubing in VERY hot water before attaching to the dripper. I would recommend filling a with boiling water to dip your 1/4 inch hose into as you assemble your lines. Be very careful you don' spill boiling water on yourself and wear gloves to handle the hot end.Directs water exactly where you need it in a wide variety of planting areas Applies water similar to a spray head on an underground system.Water flow can be adjustable Adjustable flow rate from 0 to 13 gallons-per-hour,Suitable for pots, tubs, ground cover, landscaped gardens and Etc...Use this versatile staked 360 degree pattern (adjustable for flow, distance, and height) to apply water-saving drip irrigation in more places around your landscaping. -Bubbler applies water similar to a spray head on an underground system projecting 8 streams of water in a pattern. Easily directs water exactly where you need it in a wide variety of planting areas.Colour: Blackmaterial: plasticSize: about 13cm highPackage Contents:200 * drip irrigationOnly 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.