Galvanised mild steel fan flange rings. Flanges are of a seamless construction, and are dual slotted with both A and B hole patterns, meaning they will suit almost all types of cased axial fan.
Flanges incorporate an integral groove on the collar, ensuring a positive location for the installation of LFLEX flexible duct connectors. Alternatively, the flanges will fit directly in spiral tube as a male fitting.
These flanges are commonly used in pairs, however, they are price individually below. Prices are for one ring. If a pair is required you will need to select 2.