Hey DIY plumbers and professionals! These ANPTGHT brass ball valves are seriously handy for any PEX plumbing project. The 5/8 inch size works perfectly with standard 5/8\ PEX piping systems, and you get two valves in the pack which is super convenient for multiple installations. The lead-free brass construction means they're safe for drinking water systems, and they can handle up to 400 PSI pressure - way more than typical residential water systems require. The full port design is great because it allows water to flow freely without restriction when the valve is open. What's really awesome is the push-to-connect installation - no special tools, no soldering, no crimping needed. You literally just push the PEX pipe into the valve and it creates a watertight seal instantly. The single lever operation makes turning water flow on and off super easy. These valves are approved for use in circulating heating systems and drinking water distribution, and they can even be installed underground or behind walls without access panels. Each valve undergoes 100% leakage testing before shipping, so you know they're reliable. Whether you're adding shut-off valves to your water heater, creating zones in your radiant heating system, or just need reliable valves for your PEX plumbing, these brass ball valves deliver professional-grade performance with DIY-friendly installation. The quality feels substantial - these aren't cheap plastic valves that'll fail after a few uses. If you're working with PEX piping and need reliable shut-off valves, this 2-pack offers excellent value and performance.