Stadium 4" 3 Flap Gravity Vent, White

Gravity Flap Terminal VentSize: 100mm diameter spigotUniversal for circular and rectangular ductingPlasticTechnical Specification:Height: 155mmWidth: 155mmSpigot Diameter: 100mmFree Area: Not suitable for gas appliancesRated Input: Not suitable for gas appliancesColour/Finish: White