The 3/4" Brass Heater Hose Barb Splice Coupler Connector Fitting Adapter is a high-quality, durable product manufactured in the United States. Made of brass, these fittings are designed to provide a secure connection for your heater hose. The natural exterior finish ensures a sleek and professional appearance. With 5 pieces included in the package, these fittings are perfect for various car and truck accessories, making maintenance and repairs easier and more efficient.