A flush test of our Kohler Santa Rosa 1.28 GPF toilet (K 10491). Purchased from Home Depot.

Note: There is a quieter version of this toilet that uses 1.6 gallons per flush. The flushing action isn't as strong on this other one, but it's definitely quieter than what you hear in this video. To hear the quieter version, see here:    • Kohler Santa Rosa Toilet 1.6 GPF - Qu...  

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