Horizontal Front Extension Piece

It fits securely between the airbrick and the upper front opening of the ventilator, accommodating wall thicknesses from 102.5mm up to 215mm.

Designed with a slotted end to accept the airbrick, the 1203 extension piece can also be slotted together with additional units to create longer sections if required, providing flexibility for a range of building applications.

Key Features:

Extends telescopic underfloor ventilators for walls up to 215mm thick

Fits between airbrick and upper front ventilator opening

Slotted end design accepts airbricks for secure installation

Multiple units can be connected together for longer ventilation sections

Ensures efficient underfloor airflow and moisture management