The Orbit® 1/2" PVC-Lock Tee is an easy-to-use fitting that will save you time and eliminates the need for messy (and toxic) Primer and Glue. The PVC-Lock fitting easily pushes on standard PVC pipe, where it locks in place and is ready to use, no glues, primer, clamps, tools or drying time required.• 1/2" PVC lock x 1/2" PVC lock x 1/2" PVC Lock Tee• An easy to use fitting that will save you time & eliminates the need for messy & toxic primer & glue• Fitting easily pushes onto a standard PVC pipe, where it locks in place & is ready to use, no clamps, tools or drying time required• Used to install pvc sprinkler systems • Saves time No glue, primer, clamps or drying time required• Easy-to-Install Push-on-Fitting• Rotate 360 degrees• Just swivel to desired orientation.