- Material: UPVC
- Size: 65mm square / 68mm round
- Colour: Black
- Warranty: 1 year
- Conforms to BS 4576 standards
Superior visual finish and shine which is corrosion, abrasion, chemical and organic growth resistant, with excellent flow characteristics. Lightweight and easy to install. Suitable for extreme weather conditions. Self-Extinguishing and non-conductive of electricity.