The DripFilterECO headworks is a pre-assembled unit including BioDisc filter, zone valve(s), and fittings that may be mounted inside a valve box or dosing tank riser. The DripFilterECO comes in a fully pre-assembled 26″ diameter HDPE basin with lid. The headworks is installed between the dosing pump(s) and the drip field. The unit filters out fine particles or solids from entering the drip tubing and incorporates a manual filter washdown and manual field flushing. DripFilterECO headworks come in various models and configurations with flow rates designed to suit the application.