ESPA Ashley Pa sand tank-top, a unique water distribution and water catchment to form a balanced flow, high efficiency drainage culverts. High filtration precision, good water quality, turbidity <20um. Ashley Pa ESPA is Spain's leading manufacturer of sand-cylinder is the most important manufacturers of integrated water management in the world, is committed to the industry has nearly half a century. ESPA Ashley Pa headquartered in Banyoles (Girona), in Spain, France, Chile and China have production sector. The company's ability to service system on the market share of the company itself is based on the company's brand constitutes a major competitive advantage: ESPA Ashley Pa already in Spain and throughout Europe, the Americas and Asia more than 50 countries, 10 subsidiaries In developed its own sales network. ESPA Ashley Pa sand tank-top design styles, both for public swimming pools can also be used for private swimming pools, well-designed, compact, mechanical strength is impressive. So Ashley Pa ESPA offers a range of high quality swimming pool sand tank, a self-built system for each pool, the perfect balance of outstanding performance, functionality and ease of installation between.