This is a premium quality universal exterior wall venting kit designed for cooker hoods. It is suitable for various ducting sizes including 4", 5", 6", 100mm, 125mm, and 150mm. The kit includes a square cowl vent outlet and a rectangular fixed single brick ducting outlet, making it a versatile solution for exterior wall ventilation. The colour is white, ensuring it blends with most exterior walls. This universal set is a brand new, high-quality accessory.