MAHLE’s duplex filter range include filters that allow the user to changed a contaminated filter element without interrupting service; the system does not need to be shut-down! Compact design and simple, single-hand operation allow for easy element change-outs. Designs are available for mounting in low, medium and high pressure lines. Available in sizes to accommodate flow rates from less than 1 GPM to flows of 1500 GPM. All filters are available with contamination indicators; visual, electrical and visual/electrical, to alert the user when element replacement is necessary. Various connection sizes and types (NPT, SAE, BSP, SAE Flange) are available to accommodate the users type of piping. All MAHLE filters can be equipped with the highest quality, absolute-rated filter elements: