The hose adapter is made of plastic, acid and alkali resistant, good workmanship, sturdy and durable to use. The size of the cover is about 165mm/6.49in in black, suitable for most tonnages. The built-in filter bag can be emptied, rinsed and can be reused. For installation on the IBC rainwater tank. A variety of styles are available, widely used in chemical, pharmaceutical, food and other industries. It is suitable for removing coarse dirt such as leaves and branches poured into a ton of water. Easy to empty, rinse and reuse. For installation on the IBC rainwater tank.