Rendering well water potable by flowing water through down draft aerator tube vertically positioned within water holding tankdoi:US5885466 AA water aerator (1) has a vertically oriented aerator tube (2) with a plurality of water-inlet apertures (3, 16) that preferably are downwardly slanted ...
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SEPTIC TANK/HOLDING WELL SEWAGE TREATMENT INSTALLATION WITH INTERMITTENTLY OPERATED AERATOR IN THE HOLDING TANKROBERT GRENVILLE SHAW
SEPTIC TANK/HOLDING WELL SEWAGE TREATMENT INSTALLATION WITH INTERMITTENTLY OPERATED AERATOR IN THE HOLDING TANKROBERT GRENVILLE SHAW