This is a review for: 10 Pcs 1/2" PVC Cap Fittings End Female Pipe Plug Adapter White Caps Water End Cap Connector for Plumbing Applications Pipe Repair and Modification These were tested on a home irrigation system. These fit well to standard and seemed plenty durable. Threading was precise and when tested did not leak even without plumbing tape, though I did end up using tape for the installation. I appreciated the organization box, especially at this value pricing. Read more