Helios Fans FDS 180 Note: FREE Click & Collect
The Helios FDS 180 Purlin Box is designed for secure placement of roof fans and ventilation hoods on flat roofs. Suitable for horizontal mounting, it supports RD roof fans with inclinations up to 25°. Constructed from corrosion-resistant glass-reinforced polyester (GRP), the box features abrasion-resistant insulation that provides both sound and heat prot ...