A foam cover is disposed between the fine carbon particles in {TAIL ~ the first absorption chamber} and the second absorption chamber and {HEAD ~ the lower surface} of the sealing cover 
A foam cover is disposed between the fine carbon particles in { TAIL ~ the first absorption chamber } and the second absorption chamber and { HEAD ~ the lower surface } of the sealing cover
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH