Buy genuine Toshiba Air Conditioner / VRF / HVAC Outdoor Noise Filter PCB Board MCC-1551-04P (Part No. 1117878002R2-S290709-22189). This EMI filter board is used in Toshiba VRF and HVAC outdoor units to suppress electrical interference, improve system reliability, and protect sensitive inverter and control circuits. Suitable for professional repair and replacement.