Reliable and easy-to-install, the Dura 08303 O-Ring Nipple is designed for irrigation manifold assemblies and PVC plumbing applications. Its compact 1 in size and integrated O-ring deliver a secure connection that reduces the chance of leaks and keeps water flowing where it should. Size: 1 in nominal—fits standard 1-inch manifold ports and PVC fittings. Seal: Supplied with an O-ring to create a watertight seal without extra tape or sealant. Compatibility: Intended for PVC manifold systems, drip and sprinkler setups, and general irrigation manifolds. Installation: Simple to seat—push or thread into the manifold as required by your system configuration; check alignment before tightening. Use case: Ideal for repairing or assembling irrigation manifolds, replacing worn nipples, or building custom distribution systems. This part is a practical choice for landscapers, contractors, and homeowners maintaining irrigation systems. Keep spare O-ring fittings on hand for seasonal maintenance and quick repairs. If you need guidance choosing a matching manifold or additional fittings, our product pages and support resources list compatible parts and sizing tips.