The water filter cartridge 1 wherein {TAIL ~ the outer housing} is made of {HEAD ~ plastic} 
The water filter cartridge 1 wherein { TAIL ~ the outer housing } is made of { HEAD ~ plastic }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD