Intumescent Circular Fire Block Damper Diameter:250mm a powerhouse of performance and

a powerhouse of performance and efficiency

the B-Lock delivers up to 70 kg Safe Working Load and faster installation than traditional rod methods

Heavy-duty wall extractor fan for commercial and industrial use

Entire band in a reel has a screw thread pattern

Intumescent Circular Fire Block Damper Diameter:250mm a powerhouse of performance andPrevents the spread of fire through ducts or apertures in fire resisting elements such as partitions and doors Provides up to 120 minutes of fire protection Slats swell, fusing together to form a non combustible mass, preventing the passage of hot smoke and gases Slimline construction, low maintenance and easy to fit Bi directional air flow