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To minimize the risk of concrete ingress into the knock-out sleeve during concrete pouring and vibration, the lid can be used as a cover plate on both front and back opening.
- To be used with Roxtec knock-out sleeve
Technical drawings
Component articles
| Product | Art. No | |
|---|---|---|
| PLASTIC LID KOS 100/110 | 176304 | |
| PLASTIC LID KOS 150/160 | 176299 | |
| KOS PLASTIC LID 200 | 184249 |