Amend the overview to the following – The PG series perforated faced grilles are designed for flush mounted or suspended ceiling applications. The perforated plate is aluminium at approx. 50% free area. The perforated grille is also available in 3 or 4 way air distribution patterns as an option. There is also a removable core version. Standard finish is powder coated RAL 9016. Other colours available upon request.

PG
Perforated grille, fixed core.

PGRC
Perforated grille, removable core.