Framed Aluminum Egg Crate Grilles for T-Bar Ceilings & Surface Mount Great for Data Centers and Hot Aisles Strong frame and core, all aluminum construction Lay-In a drop ceiling grid system. Or, Can be surface mounted or use a Sheetrock Mounting Frame, item # 4770-ALPF Smooth and even finish around frame, Industry Standard "British White" Eggcrate cells are squared and centered for a balanced and uniform appearance Micro-welded neck corners No ugly hold-down tabs, nothing to show through the grilled No rattling, squeaking, or vibrations, egg-crate is securely locked into our unique "frame channel" Unique corner guards protect against damage during shipping. Heavy duty shrink wrap keeps the finish scratch free and dust free Framed Aluminum Egg Crate Grilles for T-Bar Ceilings & Surface Mount Product Videos Spec Sheets & Data 4947 Submittal 4947 Specs 4947 Flyer