The 4 x 10 Lead-Free Extra Heavy Brass Nipple is a high-strength, corrosion-resistant pipe fitting designed for demanding plumbing, pneumatic, and industrial applications. Constructed from premium lead-free brass, it meets health and safety standards, making it ideal for potable water systems, gas lines, and high-pressure environments. Its extra heavy-duty construction ensures superior durability, temperature resistance, and long-term reliability. Featuring Male Pipe Thread (MPT) connections on both ends, this fitting provides a secure, leak-proof seal, ensuring efficiency and safety in residential, commercial, and industrial installations.