Product Code: 14789
HIPS polystyrene. Complies with Part F building regulations. Suitable for commercial and domestic use. Not suitable for gas appliances and must not have grills or flaps obstructed designed for products such as ventilation and extraction fans, etc.
Channel width: 100mm. Free air space: 14,700mm². Louvre height: 140mm. Louvre width: 140mm. Fixings not included.