Allow me to introduce to you a newly developed South AfricanWATER SAVING innovation on the market: 
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The Zambezi EYE Toilet Cistern  - NoLeaks!  
In a pilot study in South Africa on RDP housing where residents don'tpay for water, 9 toilets were fitted with flow meters. 
 
The average water usage across the 9 toilets was 69Kl/month. 
When the EYE Cisterns were fitted, the average dropped to just 1,9 Kl/month.