American Standard Colony 3 replacement toilet tank, model 4425B104.020, in white (finish code .020). Single-flush, 1.28-GPF WaterSense-rated. Dimensions: 13.43"H x 18.66"W x 6.9"D. Sold as tank only — bowl and seat not included. Item is like new and in original box with no damage reported. Verify compatibility with your existing Colony bowl before purchase.