Stop leaks between the wall-mounted toilet bowl and the wall with an easy-to-install neo-seal gasket. Zurn’s 4-inch neo-seal gasket kit (Part no. Z5977-NEO) forms a leak-free connection between the wall-hung toilet bowl and the carrier coupling. The durable, black neoprene gasket material is long-lasting for years of worry-free use. When you need an accessory or replacement part for repair or maintenance of a fixture, trust Zurn for genuine, reliable parts.