IAPMO IGC 225-2019涵盖了商业和住宅应用中使用的带或不带可拆卸过滤器或清洁装置的厕所或水槽存水弯，并规定了材料、物理特性、性能测试和标记的要求。

IAPMO IGC 225-2019 covers lavatory or sink traps with or without removable filter or cleaning device for use in commercial and residential applications, and specifies requirements for materials, physical characteristics, performance testing, and markings.