Inlet adapters have 4.5"NH male threaded outlet with proprietary internal slots to secure TFT Quick Connect Monitors and Elbows. Available for Hurricane, Typhoon and Monsoon Monitors. Standard 4.5"NH female hose couplings may also be attached to these inlet adapters. Constructed of corrosion resistant, hardcoat anodized aluminum alloy. Maximum operating pressure is 250 psi (17 bar).