Six Reinforced Aluminum Build: Showcases an enhanced six woven aluminum structure that enhances air circulation while effectively trapping grease, oil, and cooking vapors to maintain kitchen hygiene Factory Part Compatibility: Designed to correctly correspond with original WB06X10309, WB06X10359, and 5230W1A012E Strong Aluminum Handle & Easy Installation: Comes with a D shaped aluminum handle for comfortable handling and quick 30 second setup, replacing fragile handles for long lasting Enhanced & Flame Resistance: Effectively captures grease buildup to sticky remainder on surfaces, reducing possible cooking dangers from clogged for untroubled food preparation Great 4 Piece Set: This bundle contains four sturdy microwave grease , offering two exact industrial standard dimensions (298×193×2.5Mm and 280×158×2.5Mm) for versatile replacement needs in built in microwaves and ventilation setups