# ventilation block

> perforated block, made of concrete or other material, used in permanent wall openings for ventilation and natural lighting of buildings

**Wikidata**: [Q18472363](https://www.wikidata.org/wiki/Q18472363)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cobogó)  
**Source**: https://4ort.xyz/entity/ventilation-block