Genuine openreach filter opened but never used.
45 x BT Openreach Phone Master Socket NTE5c MK2 & VDSL FILTER MK4
19x BT Openreach Phone Master Socket NTE5c MK4 & VDSL FILTER MK4
BT Openreach NTE5C MK2 Master Phone Socket MK4 Faceplate Filter + Box TRACKED48
Replacment BT Openreach MK4 Faceplate filter for NTE5C Master Socket TRACKED48
BT Openreach NTE5C MK2 Master Phone Socket with MK4 Faceplate Filter TRACKED48
Replacment BT Openreach NTE5C Master Socket Lower Faceplate Filter TRACKED48
