400ml hollow non-spring wound drainage resvior with 100cm PVC drainage tube and trocar, bed sheet clamp and robort clamp ,Suitable for FR7.10.12.14.15.16.18.19 12pes/etn 800ml hollow non-spring wound drainage resrvior with 100cm PVC drainage tube and trocar. bed sheet clamp and robort clamp ,Suitable for FR7.10.12.14.15.16.18.19 12pes/etn