Hayward Pro Series Side Mount ABG Sand Filter System - 18 Inch feature an advanced, self-cleaning lateral under drain system for smooth, efficient flow and totally balanced backwashing. Its integral top diffuser ensures even distribution of water over the top of sand media bed with full size internal piping for smooth, free-flowing performance.

Features:

• Top diffuser ensures even distribution of water over the top of the sand media bed
• Automatic air relief purges any trapped air during operation of the filter system
• Unitized, corrosion-proof, filter tank molded of rugged, colorfast reinforced thermoplastic dependable, all weather performance
• Precision-engineered umbrella-fold self cleaning laterals for balanced flow and backwashing
• Large pressure sand/water drain for rapid winterizing or servicing
• Size: 18"