Fangrui Product Details [premium Quality]our Pressure Relief Valve Is Made Of High Quality Plastic And High Quality Rubber, It Has Good Weathering And Resistance, Designed To Extend Product Life And Stable Performance In Harsh Environments. [widely Applicable]273564z Manual Pressure Relief Valve Compatible With For Triton Ii, Tr100c , Tr140c, Tr100c-3, Triton C-3 Tr140c-3 Filters. [function]as A Core Component, This Manual Pressure Relief Valve Is Mainly Used To Safely Discharge Accumulated Pressure And Air During The Filtration Process, Preventing Overpressure From Damaging The Filtration System And Ensuring Unobstructed Water Circulation To Enhance The Overall Filtration Efficiency. [convenient Operation And Maintenance]the Valve Can Be Easily Adjusted Manually By The User To Relieve Pressure And Air Buildup Inside, Simplifying Routine Maintenance, Reducing Failure Rates, And Ensuring The Safe And Efficient Operation Of Pool And Spa Facilities. Material: Plastic+metal Colour: As Shown Package Contents: 1x 273564z Manual Air