Hayward S166T Pro Series 16-Inch Top-Mount Pool Sand Filter
Pro Series sand filters are high performance, totally corrosion-proof filters that blend superior flow characteristics and features with ease of operation. For multiple applications, the Pro Series represents the very latest in sand filter technology and will provide clear, sparkling water for years to come. Applications .  For Above-ground/on-ground pools, small in-ground pools, aquariums (salt or fresh water) and ponds.