Timloc Double Roman Tile Vent 328mm x 137mm x 422mm - With Adapter RTV-ADS
Timloc Double Roman Tile Vent 328mm x 137mm x 422mm. Timloc Standard Tile Vent Adapter 232mm x 64.5mm x 140mm. To provide Timloc Roof Vents with a 110mm ventilation duct or soil vent pipe connection.