Orbit 30 Pack 1/4" Drip Watering Barbed Connectors. These poly material connectors feature a barb fitting type and are designed for connecting 1/4" drip and soaker tubing. With a pressure rating of 25 PSI, they ensure reliable water flow. Measuring 1" in length, 5.75" in height, and 3.5" in width, these connectors are compact and easy to handle. The fitting size is 1/4" x 1/4". Drip fitting assortment packs are a convenient way to purchase a variety of fittings. Use the drip tubing punch tool to create a hole in 1/2 inch drip tubing which makes it easy to insert a 1/4 inch fitting into the tubing. For outdoor irrigation use cold water only.