The Ulti-mate in-line double roman Ulti-Tile vent tile is an unobtrusive solution to ventilation requirements through a tiled roof. 
Suitable to fit: Marley Double Roman, Redland 50, Sandtoft Double Roman. 
The integral pipe outlet is perfect for extraction and requires no additional adaptor. The vents flush profile finish helps to maintain an unbroken appearance to the roofline whether used at high or low level.