The Stadium BM725 Black Hole Core Drill Ventilator is a 5" core drill vent designed to reduce the annoyance caused by cold and noisy draughts. It effectively blocks out light, draughts, and insects, while also preventing residents from seeing outside.

Product Features:

• Core Drill Diameter: 5"
• Tube Length: 228mm
• Extension: 585mm
• Colour: Black

This vent's design helps to prevent important ducting from being blocked up due to concerns about vermin or insects.