Water flow though overfow box on the sides. Water level and the deck are same level, water overflows through coping stone to the overflow grates Balance tank is required, most common type of pools on mild-hot climate regions. This system is usally preferred by hotels, professionals and private users who wants the water is leveled with deck. Initial cost is higher than skimmer system, but it is recommended for hot and dusty climates for clean water surface. Flepool system offers wide choice of interior cover for overflow system, the is no limit in shape or size.