Specifications: Item Name: Poly PPSU barb crimp PEX fittings combo Item Material: Plastic PPSU poly material Item Specification: 1/2" Item Color: Black Package Weight: 4.5oz Package List 10 1/2" Poly PPSU PEX elbow fittings 10 1/2" Poly PPSU PEX straight fittings 10 1/2" Poly PPSU PEX tee fittings ?Worthy Pack?- Poly PPSU barb crimp PEX fittings include 10pcs 1/2" PEX elbow fittings, 10pcs 1/2" PEX straight fittings and 10pcs 1/2" PEX tee fittings, which can be used in potable water system or radiant heating system. PEX fitting set is more worthy than brass fittings. ?Enhanced Performance?- Poly PPSU barb crimp PEX fittings are made of high-quality PPSU poly material, which is no lead and is more environmentally friendly than brass. It also has better corrosion resistance and performance than brass fittings in RO, chlorinated and low pH water application. ?Easy Installation?- PEX fittings are easy to install, you just need to slide the PEX clamp rings over the PEX pipe, insert the fittings, and secure them in place with a clamp tool. The protruding stop on the fitting makes it easy to verify proper installation. ?PEX Compatibility?- Plastic PEX fittings can be easily installed without flame, flux, or solder, require no bonding agents, glues, or solvents, they are suitable for stainless steel clamp copper crimp ring systems and they are NOT suitable for expander fitting system and uponor/wirsbo expander system. ?Wide Application?- Poly PPSU barb crimp PEX fittings are suitable for various applications, including domestic water systems, radiant heating systems, retrofit construction, and hot or cold water distribution.