Dishlex DX302 Dishwasher Drain Filter Assembly. Part # 50297774-00/7Dishlex DX301, DX302, DX303, Westinghouse SB907 Dishwasher Drain Filter Assembly. Genuine part. no. 50297774 00 7, 50297774007. Replaces part nos. 1526612 02 1, 1526612 03 9, 8996461240666, 8996461240211, 0144400041, 0144400046, 1118591013. Small drain filter assembly as used in Dishlex DX301, DX302, DX303 series & Westinghouse SB907 series dishwashers. Consists of an an outer mesh filter with a handle, an inner plastic filter and a small top cap on