Removable Core Egg Crate Grille (White)

150 x 150 Grille, 150 x 150 with 6" Neck, 200 x 200 Grille, 200 x 200 with 6" Neck, 200 x 200 with 8" Neck, 250 x 250 Grille, 250 x 250 with 10" Neck, 250 x 250 with 8" Neck, 300 x 300 Grille, 350 x 350 Grille, 400 x 400 Grille