Bombas a medida S&L Modular FAST® Fixed Activated Sludge Treatment System S&L Modular FAST €0.00 • High-quality effluent extends leach field life. • May reduce leach field size requirements. • Handles wide flow variations. Fixed-film FAST® media prevents biomass washout. • Aesthetically pleasing design allows the system to be completely below grade, if desired. • Less expensive than standard pre-fabricated package treatment systems. • The system... Add to cart