document.write('<p><img src="/common/images/previous.png" border="0" align="absmiddle" /> <span class="cGreen">Previous</span>: <a href="/en/product/mati/environmetaltest/codm/201406112465440493.shtml">Chemical Oxygen Demand Tester/Meter</a></p>');document.write('<p><img src="/common/images/next.png" border="0" align="absmiddle" /> <span class="cGreen">Next</span>: <a href="/en/product/mati/environmetaltest/codm/201406112465440493.shtml">Chemical Oxygen Demand Tester/Meter</a></p>');