Nicoll ventilation grille 100 mm

Nicoll closing ventilation grille in robust reinforced synthetic resin, with very good color retention over time. Equipped with clips to attach to the interior walls of PVC tubes, installation is quick and easy. This clips on PVC tube diameter 100 mm . Removal remains possible (for cleaning for example).

With insect and mosquito net. External diameter ( D ) 125 mm, tube diameter ( d ) 91 mm, thickness ( e ) 38 mm. Air passage: 23 cm².