POUCH FLUID COLLECTION INVISISHIELDPOUCH FLUID COLLECTION INVISISHIELD Invisishield Pouches with Drainage Ports: Wide adhesive area for better adhesion. Strong adhesive with no residue. Non linting, tear resistant, waxy paper release liner. Moldable strip to enhance pouch performance. Micro screen for improved filtering system. Suction port with cap for improved fluid control. Heavy, low glare matte finish film. Use for CV, orthopedic, neurologic, urologic and general procedures. 20" x