SharkBite PVC IPS (Iron Pipe Size) disconnect clip can be used to release a SharkBite PVC IPS fitting from Schedule 40,80 or 120 PVC pipe. The 3-pack contains a 1/2 in., 3/4 in. and 1 in. disconnect clip. The PVC disconnect clip will release the fitting on the white collar of the fitting. The PVC disconnect clip also serves as a safe seal depth gauge to mark the PVC pipe to ensure the fitting has been inserted to the proper depth.