Egg-crate grilles have a 13mm x 13mm square core and with their high free area are ideal for return air applications. Supplied as standard with countersunk holes for fixing (except the 595 x 595 overall tile replacement sizes).
Egg crate grilles with removable or hinged cores and disposable filter panel are available to special order.
Sizes above are the size of the square neck. The 550mm size is 595mm x595 mm OVERALL (ceiling tile size) and fits into 550mm x 550mm plenum boxes.
Used in conjunction with the Grill Boxes. (Plastic or Galvanised Steel).
Available in silver or white.
Many more sizes available, White are held as stock, silver may have to be ordered in.