For all you plumbing DIYers and professionals, these EFIELD Pex A expansion fittings are exactly what you need for reliable, leak-free connections! This pack gives you 10 pieces of 1/2 inch Pex x 1/2 inch Pex x 1/2 inch Female NPT drop-ear tees in solid brass construction. They're designed for full flow capacity, meaning you won't get any annoying pressure drops in your system. The beauty of these fittings is their compatibility - they work with ALL brands of Pex A pipe and tubing, so you don't have to worry about mixing and matching. They meet the F1960 standard and are certified to ANSI/NSF-61 and ASSE 1061, with a pressure rating of 400 PSI that handles residential and light commercial applications easily. Important note: these are specifically for expansion fitting systems and won't work with stainless steel clamp or copper crimp ring systems. You will need to order the expansion tool and Pex sleeves/rings separately to complete your installation. The drop-ear design with female NPT threads makes them perfect for securing to wood framing or other surfaces. Each fitting comes with protective caps to prevent damage during shipping and storage. Whether you're doing a bathroom remodel, kitchen update, or whole-house repipe, these brass fittings give you that professional-grade connection that plumbers trust. The quality is immediately noticeable when you handle them - solid, well-machined, and designed to last for years without corrosion or failure. Seriously, if you're working with Pex A, these fittings make the job so much smoother and more reliable!