Doulton Sterasyl W9121200 replacement cartridge is a 7"x2" micro filter with carbon layer (GAC) , Super Sterasyl candle for Doulton and Big Berkey gravity water filters. This is a 7 inch candle that works in Doulton SS-1 and Doulton SS-2 and similar stainless steel gravity systems. Candle offers sterasyl ceramic shell with a GAC carbon inner layer, for multiple stages of filtration. Filter designed to reduce suspended solids, pathogenic bacteria, organic chemicals and improve water taste and odor.
Doulton Super Sterasyl W9121200 Candle Filter features:
7" candle is featuring an activated carbon core and a Sterasyl ceramic outer shell. It also offers silver locked within a ceramic structure which inhibits growth of bacteria and pathogens, and gives ceramic self-sterilizing properties. It is placed inside a filter housing and is attached via plastic connector. Three stages of filtration, reduces suspended solids, pathogenic bacteria and organics, chlorine and improves taste and odor. Works with SS2, SS3 and SS4 gravity fed systems, as well as some HCP and HIP models that are equipped to use 7"x2" candles.
Filter is self-sterilizing , bacteriostatic which means there's no bacteria growth in carbon layer.
Doulton W9121200 7" candle also offers a 1 3/4" (length) head mount for gravity filters.
Dimentions: 7" x 2" (length x diameter) candle (178 mm x 51 mm)
Head mount: 1 3/4"
Micron Rating: 0.9 micron nominal
Capacity: 600 gallons
No release of carbon fines
Flow rate: 0.3 - 0.5 gpm ( 1.2 gpm @ 3.0 PSI , 5 gal per 24 hours per candle in gravity filters )
Recommended replacement interval: 6 months or 600 gallons, whichever comes first.
Manufacturer's Product Number: W 9121200