Silicone Suction Reservoir Closed Wound Drainage System 1.This product includes 100cc/200cc/400ml Silicone reservoir +7mm/10mm flat drains or other round drains +stainless stell trocar. 2.Can use separately or with Trocar for insertion and combining with Silicone Reservoir for fluidssuction and collection. 3. Used for various surgeries. 4. Silicone perforated and Silicone Fluted (Blake) drains are also available.