The Pelican Worldwide 4" TTMA Flanged Connection with Sight Glass and Viton® Seals is the perfect solution for any industrial application. This connection features a stainless steel internal rotating assembly, hard coat anodized head for maximum durability. Also, the E-coating on springs provide extra protection against fatigue. The flush interior wall design ensures complete drainage. Furthermore, the Viton® seals provide superior chemical resistance. The sight glass allows for easy visual inspection, making this connection ideal for any industrial application. FleetPride is your First Click in Heavy Duty®.