LIFF Compatible SW1 10" Sediment Water Filter Cartridge This LIFF compatible SW1 is a 10" Wound Polypropylene Sediment Cartridge used to remove sediment down to 1 microns and is compatible with NP1, NDL2 and NCP1 housing as well as using as one of the filters in NP2 housing. It will also fit in most standard 10" housings.
This string wound filter is near on the same spec if not the same as an original Liff SW1 Filter. Life is approximately 6 months dependent on the amount of sediment in your water supply.