| DL-FUJI760-1 | O-Ring for Fujifilm 760 Series (type 1) | For Fujifilm | — | |
| DL-FUJI760-2 | O-Ring for Fujifilm 760 Series (type 2) | For Fujifilm | — | |
| DL-OCSBALOR | O-Ring for Olympus Colonoscope Stress Boot | For Olympus | — | |
| DL-OGSBOR | O-Ring for Olympus Gastroscope Stress Boot | For Olympus | — | |
| DL-ORAWB90 | O-Ring Seal, Air/Water Valve Boot, Pentax 90 Series (OF-B188) | For Pentax | — | |
| DL-ORAWB904 | O-Ring Seal, Air/Water Valve Body, Pentax 90 Series (OF-B188) | For Pentax | — | |
| DL-OREBP140 | External Biopsy Port Seal for Olympus 140 Series | For Olympus | — | |
| DL-OREBP160 | External Biopsy Port Seal for Olympus 160/180/190 Series | For Olympus | — | |
| DL-OROLY553O | O-Ring Seal for Olympus MH-553, outside | For Olympus | — | |
| DL-ORSCB90 | O-Ring Seal, Suction Valve Boot, Pentax 90 Series (OF-B120) | For Pentax | — | |
| DL-SCOROLY160 | Side Cover O-Ring for Olympus 160 Series | For Olympus | — | |
| DL-SCOROLY190 | Side Cover O-Ring for Olympus 190 Series | For Olympus | — | |
| DL-VDFUJI700BC | External Biopsy Port Seal for Fujifilm 700 Series | For Fujifilm | — | |
