Doulton W9121200 SuperSterasyl 7" Ceramic Filter Candle 6 Months The John Guest brass stop

The John Guest brass stop valve is used to shut off the flow of water to an entire system in the event of an emergency or for maintenance work

The Viqua QL-950 UV Lamp and Quartz Sleeve Combo Kit is the UV lamp and quartz sleeve for the Viqua VP950 Series UV Systems

Compatible with plants up to tomato

Adjustable switch and bypass settings

Doulton W9121200 SuperSterasyl 7" Ceramic Filter Candle 6 Months The John Guest brass stopThe Doulton W9121200 SuperSterasyl is a three stage cartridge combining the highly efficient properties of ceramic with the enhanced water treatment properties of activated carbon. First Stage: The first stage consists of Doulton SuperSterasyl ceramic which is manufactured to provide genuine sub micron filtration. The cartridge reduces fine particulate matter, bacteria, cysts and turbidity. Second Stage: The incorporation of silver locked within the