Feature: 1. Expandable Capacity: This sand filter pump fits in a 13 inch one piece tank, has a 42 pound sand capacity, and can filter up to 10,000 gallons of above ground pools 2. Reliable Performance: This filter maintains sand height levels, exposing water to the highest possible sand surface level for optimal filtration, consistent performance and effective backwashing. 3. Low Noise Design: This sand filter pump is designed and optimized for low noise operation, making your work more comfortable and energy efficient. 4. Easy Operation: This sand filter is portable. And it is can start quickly, very easy to operate. You can install it less than 5 minutes. 5. Sand Filtration Systems: Pumps and filters are perfectly designed to provide optimal flow rates for improved water quality. Specification: Item Type: Sand Filter with Pool Pump Material: ABS, Iron, Steel Gross Weight: 12200g / 430.3oz Product Assembly Size: 63.1x47.5cm / 24.84in Outer Diameter of Filling Port: 20.5cm / 8.07in Pump Length: 45cm / 17.72in Lift: 4-8 m Flow: 180-100L/min Lift Max: 11m Flow Max: 230 L/min Speed: 2860 rpm Protection Class: X5 CAP:10μF/450V Maximum Water Temperature: 50 °C Function: Thermal Protection Application: For filter systems such as garden swimming pools. Package List: 1 x Sand Filter1 x Sand Filter Top Cover1 x Pool Pump1 x System Tray1 x Hose5 x Connector1 x Interface with Chassis2 x Handle1 x Psi Meter9 x Accessories1 x Manual Note: 1. Make sure the filter works under working pressure, when the system uses a booster pump, use a pressure control valve.2. If the pump level is higher than the water level, a return water control valve needs to be installed.3. If the pump level is lower than the water level, an isolation valve needs to be installed. It stops the backflow of water when people do general inspections.4. Minimize bending of connection adapters and hose connections. Minimize water scrubbing for maximum effect.5. Make sure you don't apply too much solvent to the fitting as this can get into the o‑rings and cause sealing problems.6. Do not overtighten the connector or adapter7. Note the initial pressure gauge reading when the filter is cleaned. (It will vary from pool to pool depending on the pump and general plumbing). As the filter removes dirt and impurities from the pool water, the buildup in the filter will cause the pressure to rise and flow to decrease. When the gauge reads 8‑10 PSI (0.55‑0.69 BAR) above the initial "clean" pressure you recorded, it's time to backwash (clean) the filter.8. IMPORTANT: To prevent unnecessary stress on the piping system and valves, be sure to turn off the pump before switching the filter control valve position.9. To prevent damage to the pump and filter and for proper system operation, clean the pump filter and skimmer basket regularly.