fiberglass swimming pool slot drain cover

Finished polymer concrete drainage channel is a good choice for swimming and playing places. Almost all swimming pools are surrounded by overflow ditch. The main purpose is not to overflow, but to prevent the surrounding dirty water from flowing into the pool. It can also overflow the water surface dirt in the pool into the trench. The inner surface of the Polymer concrete channel is particularly smooth. It is difficult to entangle dirt, so that the entire ditch is beautiful and hygienic