20mm DR Bronze "Y" Filter/Strainer with female BSP threads. Australian Standard and Watermark Approved for use with potable water. This item is used prior to water meters, boilers, water heaters and any other equipment that requires a particle free water supply. The Y Filter is easily cleaned by removing the locking cover plate and screen without removing the filter body from the system. The 18/8 stainless steel strainer has 0.65mm holes. Warning: Prior to removing the screen ensure that the system is isolated. To download the technical specs, click here.