Get your semi Ready for the Road Ahead with a strong and reliable connection between two pipes or fittings, with the Power Products 1.5" Straight Brass Frame Nipple. This replacement component works to connect two pipes or fittings in a straight line without any bends, turns, or angles so that fluids can easily pass through. Engineered with a rugged body to endure high temperatures and pressures while maintaining a leak-proof seal. FleetPride is your First Click in Heavy Duty .