Home Infrastructure Hydraulics slow filter slow filter Description Save It is a lagoon catchment design and has slow filtration with stepped gravels. Format DWG File size 202.25 KB DOWNLOAD DWG share your appreciation Related Posts valve chamber dry type hydrant 6 inch pipe routing masonry tank Drinking water conduction line Drinking water plans sand trap Water intake Country house water supply deep well with submersible pump PVC cruise yes 3 inches. Residential development cima diamamante 25m3 elevated tank Valve box detail drinking water meter Australian tank Horizontal pump – 3d irrigation Spring catchment and public pool Flow distribution chamber water reservoir