#정수기부품 #정수기자제 #정수기자재 #정수기개조 #개조부품 #해수담수화부품 #피팅류 #PP재질 #존게스트 #I피팅스트레이트커넥터 #3/8:3/8 #PP0412W #JohnGuest #I-Fitting_STRAIGHT_CONNECTOR #Straight_Connector #Water_purifier_parts #Water_purifier_components #Water_purifier_materials #Water_purifier_modification #Modification_parts #seawater_desalination_components #Fittings #PP_material