Lennox - H4329 - Grate used on the MPB-3328. MPB-3328CNM-B, MPB-3328CPM-B, MPB 3328, MPB 3328CNM-B, MPB 3328CPM-B, MPB3328, MPB3328CNM-B, MPB3328CPM-B, MPDT-3328. MPDT-3328CNM-B, MPDT-3328CPM-B, MPDT 3328, MPDT 3328CNM-B, MPDT 3328CPM-B, MPDT3328, MPDT3328CNM-B, MPDT3328CPM-B, MPDR-3328. MPDR-3328CNM-B, MPDR-3328CPM-B, MPDR 3328, MPDR 3328CNM-B, MPDR 3328CPM-B, MPDR3328, MPDR3328CNM-B & MPDR3328CPM-B, MPB-3530. MPB-3530CNM-B, MPB-3530CPM-B, MPB 3530. MPB 3530CNM-B, MPB 3530CPM-B, MPB3530. MPB3530CNM-B, MPB3530CPM-B, MPD-3530. MPD-3530CNM-B, MPD-3530CPM-B, MPD 3530. MPD 3530CNM-B, MPD 3530CPM-B, MPD3530. MPD3530CNM-B & MPD3530CPM-B.