Medi-Vac® CRD™ Suction Canister Liner 1000 mL Sealing Lid (274614_CS) 100/CSCRD disposable liners are easily assembled by snapping the lid onto the liner. Engineered for clinician safety, CRD lids contain integrated filters and shut off valves. The lids also lock into place after assembly in order to minimize the risk of leakage during the transport process. CRD disposable liners require the use of a reusable outer canister. 1,000 mL capacity