Hayward EC301540ESNV Perflex 40 GPM D.E. Filter Pump System Pump-to-filter union connection provides simple installation and winterization Corrosion-proof, modular platform base accepts optional chlorine feeder Includes EC30 Filter; SP1540, 40 GPM Power-Flo pump; modular platform base; union connection; 1-1/2-inch hose package Optional microprocessor pump timer feature available 1-1/2-inch hose packages include: two 1-1/2-inch-by-6-foot lengths of hose adapters and hose clamps