Pyrogrille circular air transfer grilles are designed for installation into pipes, ductwork or air conditioning systems where they cross through dividing walls or partitions where the integrity of the building must be retained. Manufactured by Mann McGowan using high performance intumescent slats spaced 12mm apart, the finished units are 38mm thick and available in standard sizes. Providing up to two hours fire protection they provide excellent free air flow in normal use.

            Pyrogrille – Circular Air Transfer Grilles

            PriceFrom £16.75
              • Up to 120 minutes fire protection
              • Easy to fit
              • Available in standard sizes of 100mm, 125mm, 150mm and 200mm. Non standard on request
              • Maintenance free as no moving parts
              • Allows 60% air flow in normal use
              • Manufactured to size
              • Circular sizes to suit standard and non-standard ducting
              • Can be supplied complete in duct sections for services applications
              • Standard colour black, other colours available please ask for details