0.062" Thick Aluminum Internal Panels for PN series plastic boxes; Fits PN-1325, PN-1325-DG, PN-1325-C, PN-1325-MB, PN-1325-DGMB PN-1329, PN-1329-DG, PN-1329-C, PN-1329-MB, PN-1329-DGMB