Merrill Low Lead Brass Hose Barb Insert Coupling is a heavy-duty red brass coupling designed with a hex shoulder for use with polyethylene pipe. This durable fitting features an insert x insert configuration and is manufactured to ensure no more than 0.25% weighted average lead content on wetted surfaces, making it a safe and reliable choice for your plumbing needs. Each coupling is crafted from high-quality brass and is available in multiple sizes, including 1/2", 3/4", 1", 1-1/4", and a 3/4" x 1" option. Packaged individually in a bag, these couplings convenience and ease of use for various applications. Model Number: