The Ultra XTR Frame pools come equipped exclusively with Intex Krystal Clear sand filter pumps with Hydro Aeration Technology - providing the best filtration performance and unmatched water clarity. Maintenance is incredibly easy since sand only needs routine backwashing and replacement every 5 years. The uniquely designed frame combines high quality galvanized steel with precision engineered locking system, enhancing the overall quality, durability and stability of the pools. Encapsulating inner and outer powder coating ensures the ultimate resistance to rust. This pool is easy to assemble with the frame components simply snapping together with no locking pins needed. Hydro Aeration Technology is incorporated into the filter pump for improved circulation and filtration, improved water clarity and increased negative ions at the water surface. The set includes 110-120V Sand Filter Pump with Pump flow rate 2,100 gallons per hour, a pool ladder, ground cloth and pool cover. The pool is ready for water in 60 minutes with a water capacity at 90% of 6,981 gallons. Suitable for ages 6 years and up. 26329EH 18´ x 52" Ultra XTR Frame Pool. Comes equipped exclusively with Intex Krystal Clear sand filter pumps with Hydro Aeration Technology - providing the best filtration performance and unmatched water clarity. Maintenance is incredibly easy since sand only needs routine backwashing and replacement every 5 years. Uniquely designed frame combines high quality galvanized steel with precision engineered locking system, enhancing the overall quality, durability and stability of the pools. Encapsulating inner and outer powder coating ensures the ultimate resistance to rust. Easy to assemble - frame components simply snap together with no locking pins needed. Extra strong and durable liner. 2-year warranty that guarantees a peace of mind pool ownership.