Vibrant 4-ply aramid-reinforced silicone reducer coupler, black, with a 4" inlet ID, 5" outlet ID and 4.5" length is a transition hose coupler for air, coolant and water service only. It features aramid reinforcement between silicone layers, a 0.2" wall thickness and a 12 PSI maximum operating pressure, and is rated for an operating temperature range from -75°F to 392°F.
Vibrant 4 Ply Reducer Coupling 5in x 4in x 4.5in Long (BLACK)