Egg Crate Grille Box550x550x20mm metal grille box designed to go on a lay-in egg crate grille (595x595) Our grille boxes come with a 100mm hole in the top so you can pick any size spigot up from 100mm to 500mm. We can also offer bespoke grilles and plenum boxes.SKU: alph102 Spigot size Please select100mm125mm150mm160mm180mm200mm224mm250mm280mm300mm315mm355mm400mm450mm500mm £0.00 ex VAT Buy 5+ Save 5% | Buy 10+ Save 10%5+ Units10+ Units——Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friend