WRS Y-strainers are specially designed for chemical dosing usage. It comes with various choice of materials for different applications. Standard material shall be UPVC. User may select optional material such as CPVC, PVDF or SS304 depending on their transfer liquid. Generally, it is installed in front of a metering pump or valve to filter out solids in the liquid. It may be a small little piece of accessory, but it helps tremendously on increasing the lifespan of a dosing pump or valves.