Coloplast Assura Irrigation Sleeve, Transparent, Latex,1-9/16" Flange Contains Latex. Used with Assura flanges or faceplate. Irrigation creates security and freedom for people with a sigmoid colostomy, enabling a regular, controlled bowel movement. Adhesive-backed Used with Assura flanges or faceplate Disposable Coupling size: Green This item is FSA (Flexible Spending Account) eligible.