Spanner Pre filter housing, complete set for installation. Transparent Pre Filter Housing. Compatible with all water purifiers that came with 1/4 inlets, not compatible with kent models that come with 3/8 inlet. A pre-filter housing kit for RO water purifiers that efficiently removes all the impurities. Comparision Package Contents :- 1 Pre filter (semi-transparant) housing + 2 connectors 1/4 , 5 m, 1/4 pipe (2.5 m + 2.5 m) , 2 PP spun, spanner, teflon