Multi-function pre-formed products to guarantee a reliable discharge of water wherever water could collect inside an external cavity wall built from standard brick, block or stonework.

Available in 4 colours to blend with the masonry and mortar material.

A full size wall weep vent, which corresponds with the height of standard brick, block and stonework.

Free airflow area of 165mm² per unit.

Featuring an integral front grille to prevent the entry of large nest building insects into the cavity.