Toilets with two flushes are intended to save water. Here is all you need to know about dual flush toilets.
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One-piece toilet with push button dual flush (4 L/6 L). Slow-close seat. Wax ring and hardware included. Rated MAP 600 g. No lined tank. Regular
Round Front 1-Piece Toilet, 4 L/6 L, White
Dual Flush Toilets: What They Are and Why You Need One
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Dual Flush Toilets: What They Are and Why You Need One