MITSUBISHI Mitsubishi Electric This is one replacement filter for a humidifier. It was found while organizing unwanted items. The purchase date is unknown. There may be minor soiling on the exterior, but the contents are new and unopened. SVPR-107FT Model Code 56N121 Applicable Models SV-S504 SV-S50D SV-S708 SV-S50E2 SV-S505 SV-S704 SV-S70D SV-S50E3 SV-S506 SV-S705 SV-M505 SV-S50E4 SV-S507 SV-S706 SV-M506 SV-S50E5 SV-S508 SV-S707 SV-S504V7 SV-S50E6