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Grade level installation <br />2" Slope <br />Below grade installation <br />5 Gallon Grade Level <br />Mounted <br />18" Manhole <br />15 Gallon Below Grade <br />Top view of patented watertight lid and access manhole <br />The Complete Package <br />Choose from = different spill contain- <br />ment manholes that provide continuous <br />protection against spilled product. <br />All three grade level models feature rain - <br />tight cover and a flexible bellows that gives with <br />natural movements of underground storage <br />tanks without damaging the concrete drive <br />surfaces. <br />Also part of the grade level package is a <br />deflector ring that prevents damage to the lid or <br />flipping up caused by heavy street traffic and <br />truck plows. <br />Below grade models are installed under an <br />access manhole; an 18" round manhole with <br />fiberglass cover is included with your Flex <br />Catch. <br />BG's feature a hinged, waterproof cover and <br />a Cover Actuated Push Drain (CAPD) that opens <br />when the cover is closed, and closes when the <br />cover is open. <br />A -below grade installation eliminates water <br />and debris infiltration and provides out of sight <br />protection. All BG units come with styrofoam <br />centering blocks used to easily align the spill <br />containment manhole during installation. <br />Both below grade and grade level units come <br />with an adjustment block used to establish the <br />proper manhole height - to fine tune the <br />installation to changing concrete grade levels. <br />With EBW, the choice is yours. <br />EBW Test Plug <br />