Investec leads £8m investment in Propelair Investec leads £8m investment in Propelair Investec, Earth Capital Partners and Universal Partners invest in Propelair, maker of the world’s most water efficient flushing toilet. Click link to view full Press Release Propelair Investec Press Release circulated 11_09_17 designthing2020-10-16T11:15:14+00:00