£24.83 (incl VAT)
A circular intumescent non-clogging ventilator sleeve for walls and ceilings with 87% free area.
It is easily installed and used in steel or PVC pipes connected to toilet ventilation fans.
Envirograf Product 33
£56.27 (incl VAT)
About Metal Sleeve with Intumescent Liner for Cavity Walls
Available in sizes from 50mm to 300mm diameter.
Please see the expanded product guide for more information. they are designed for both domestic and industrial use.
Ventilated sleeves can be used for PVC or steel pipes in a wall, for suspended or plasterboard ceilings, ducting and cavity walls, with fixing lugs, screws and washers.
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