The PT Coupling 1001120L2 is a Sta-Lok II dust cap with a 2 inch Type V female coupler connection. Constructed from lightweight aluminum with SLS 316 stainless steel cam arms, this dust cap features passive locking cam arms that automatically lock when fully closed. The dust cap seals and protects cam and groove fittings when not in use. This cap has a maximum operating pressure of 250 psi.