HOLE CLEANING MODEL (OSAWA)
| HOLE CLEANING MODEL | W101-Ⅱ |
| W101-Ⅱ-LC | |
| W101-Ⅱ-LC-A | |
| W101-Ⅱ-LC-B | |
| W101-Ⅱ-TC | |
| W101-Ⅱ-TC-A | |
| W101-Ⅱ-TC-B | |
| W101-Ⅱ-LH | |
| W101-Ⅱ-LH-A | |
| W101-Ⅱ-LH-B | |
| W101-Ⅱ-TH | |
| W101-Ⅱ-TH-A | |
| W101-Ⅱ-TH-B | |
| W101-Ⅱ (WITHOUT HOSE JOINT) | |
| W101-Ⅱ-A (WITHOUT HOSE JOINT) | |
| W101-Ⅱ-B (WITHOUT HOSE JOINT) | |
| W301-Ⅱ | |
| W301-Ⅱ-LC | |
| W301-Ⅱ-LC-A | |
| W301-Ⅱ-LC-B | |
| W301-Ⅱ-TC | |
| W301-Ⅱ-TC-A | |
| W301-Ⅱ-TC-B | |
| W301-Ⅱ-LH | |
| W301-Ⅱ-LH-A | |
| W301-Ⅱ-LH-B | |
| W301-Ⅱ-TH | |
| W301-Ⅱ-TH-A | |
| W301-Ⅱ-TH-B | |
| W301-Ⅱ (WITHOUT HOSE JOINT) | |
| W301-Ⅱ-A (WITHOUT HOSE JOINT) | |
| W301-Ⅱ-B (WITHOUT HOSE JOINT) |