Ton Barrel Caperactérie features the lid diameter is about 165mm/6.49in in black, suitable for most barrels Our plastic barrel cover is made of high-strength plastic materials, durable and practical, with 90 degree . The IBC rainwater filter cover can be emptied, rinsed and can be used again, for installation on the IBC rainwater tank IBC barrel cover Ton Built-in filter bag, made of perforated felt at needle, which is essential, safe from tearing and can be reused after cleaning This plastic barrel cover is widely used for water purification in IBC rainwater tanks