Patent ID: 7806879

Claim:
A suction system, comprising: a canister; a liner receivable within the canister and having an outwardly extending flange; and a lid positionable on the liner and the canister when the liner is received within the canister, the lid having a peripheral snap ring having one or more surfaces configured to engage portions of the canister in a snap-fit relationship, a peripheral seal member spaced interiorly apart from the snap ring and extending from an interior surface of the lid and positionable to engage and bear against an upstanding portion of the canister to provide a seal between the atmosphere and exterior portions of the liner located within the canister, and a peripheral adhesive material adhered to the interior surface of the lid adjacent the peripheral seal member and positionable to adhere to the flange of the liner when the lid is installed on the liner to provide a seal between the interior of the liner and locations exterior the liner.