4" Twin Pulse Jet | RD243-4420-001

Large 4" Scallop Face Twin Pulse Internal | Black (Screw-in) | Old Part RD203-L4421, New Part RD243-4420-001. The Large 4" Scallop Face Twin Pulse Internal in Black (Screw-in) (New Part: RD243-4420-001, Old Part: RD203-L4421) is a high-quality spa and hot tub jet designed to provide a dynamic, invigorating massage experience. Featuring a 4-inch scallop face, this jet delivers twin pulse action, producing alternating water streams that create a deep, rhythmic massage to promote muscle relaxation and stress relief. The sleek black finish adds a modern touch to any spa setup, while the durable construction ensures long-lasting performance.