Pump water flow rate (pump capacity): 3,028 L/h (800 gal/h) Integrated system water flow rate (system flow rate): 2,271 L/h (600 gal/h) Durable, corrosion-resistant filter tank . The 6-position valve allows for easy filter control. The 360 degree flange top clamp allows for quick and smooth installation. Easy-to-read pressure gauge. Includes ChemConnect dispenser and provides healthy, clean pond water. Diffuser release provides a stable level of chlorine needed to achieve proper chemical balance. Includes a strainer to separate leaves and other tough debris. This product is race-sealed for added comfort. This product is race-sealed for added comfort. The recommended hose size for this product is 3.2cm/1.25" diameter with appropriate thread size. This product works with regular sand convention or with our high efficiency polysphere. Sand not included. Required sand size: #20 Silica Sand, 0.45-0.85mm, About 8.5 kg for use with 1,100-18,100 liters (300-4,800 gallons). Contents: 1 sand filter assembly, ChemConnect dispenser