#10 Slim Line Water Filter Housing | 1/2,PIP Kilimanjaro Type II Full Brim Hard Hat 280-HP642R,Chasing Checkers Hat,Amazon.com: Pentair Pentek 158623 3G Slim Line Filter Housing, 1/2,PIP Kilimanjaro Type II Full Brim Hard Hat w/Chin Strap Pre-Installed 280-HP642R-CH,