{TAIL ~ The periphery} of the pipe then engages the abutment 13 that forms part of the pipe gripper 9, the height of the abutment 13 essentially being sufficient to allow water entering the baffle 1 to pass out through {HEAD ~ the outlet} 12 via the internal baffle plates 6 as shown in FIG 1 
{ TAIL ~ The periphery } of the pipe then engages the abutment 13 that forms part of the pipe gripper 9 , the height of the abutment 13 essentially being sufficient to allow water entering the baffle 1 to pass out through { HEAD ~ the outlet } 12 via the internal baffle plates 6 as shown in FIG 1
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