![Intumescent Air Transfer Grille |Air Transfer Grilles provide protection against the spread of fire through walls, doors, air ducts and openings in fire-resisting constructions such as partitions and doors. Intumescent Air Transfer Grille |Air Transfer Grilles provide protection against the spread of fire through walls, doors, air ducts and openings in fire-resisting constructions such as partitions and doors.](https://sites.create-cdn.net/siteimages/26/2/6/262696/19/3/4/19342891/600x600.jpg?1620659875)
Intumescent Air Transfer Grille |Air Transfer Grilles provide protection against the spread of fire through walls, doors, air ducts and openings in fire-resisting constructions such as partitions and doors.
WebReps B2B Wholesale HVAC-R | 10x20 - Door Grille, Double Sided, Aluminum Transfer Grille (Model # GADA_10x20), Airvector, Door Grilles/Transfer Girlles, Extruded Aluminum, "V" Blade, No-Vision Grille, Telescoping 2 Piece Frame from
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Intumescent Air Transfer Grilles - Fire Rated Vents - For 30 & 60 Minute Fire Doors | G Johns & Sons
![Eurospec Louvre Grills For Intumescent Air Transfer Grilles (Various Sizes), Silver - ES420 from Door Handle Company Eurospec Louvre Grills For Intumescent Air Transfer Grilles (Various Sizes), Silver - ES420 from Door Handle Company](https://www.doorhandlecompany.co.uk/images/products/ES420aa1.jpg)