Comparison : Item # 69790405400, Grid Coupling Tapered Components - Cover/Grid Assembly, Vertical Style - Metric
Item # 69790405401, Grid Coupling Tapered Components - Cover/Grid Assembly, Vertical Style - Metric
Item # 69790405402, Grid Coupling Tapered Components - Cover/Grid Assembly, Vertical Style - Metric
Item # 69790405403, Grid Coupling Tapered Components - Cover/Grid Assembly, Vertical Style - Metric
Item # 69790405404, Grid Coupling Tapered Components - Cover/Grid Assembly, Vertical Style - Metric