Used to drain lintels, Cavity Trays, and to ventilate cavity walls
Has a baffled grill to help reduce the ingress of driving rain
Provides 220mm2 ventilation airflow
Can be slotted between two bricks and mortared into position. It provides an unobtrusive ventilation point for the cavity behind
The grille is sized to keep out large insects but is wide enough that it will not be blocked by debris, paint or water droplets
Replaces a single mortar joint