| NAME | CODE | SPECIFICATION | APPLICATION | MODEL NUMBER |
| Lower flushing housing | 836.284 | L50 x W50 x ID14.6mm | Challenge 2, Challenge 3, Classic V2, Classic V3, Progress V2, Progress V3, Vertex 2, Vertex 2F, Vertex 3, Vertex 3F, CUT 1000, CUT 2000, CUT 3000 | A284 |
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