Gomco Disposable Collection Units & Accessories Virtually every benefit hospital personnel could want...built in. The Gomco Disposable Suction Canisters are simple, convenient, and economical for single patient use - designed with the end user in mind. Gomco canisters are designed to be adaptable to all Gomco portable suction pumps. A unique hydro-filter shut-off system. The heart of any single patient use disposable suction collection canister is a shut off system that helps prevent damage to the suction pump. The Gomco disposable suction canister incorporates a positive hydrophobic filter shut-off system that is sensitive to the foam or fluid. The Gomco Hydro-Filter Shut-Off also incorporates a pre-filter design to be used with laser surgery. The new Gomco Hydro-Filter Shut-Off automatically shuts off the suction as fluids arrive near the top of the suction canister. Once the fluid or foam reaches the hydro-filter, the canister will discontinue filling and will be leak tight for final disposal.