Product size: The lower inner diameter of the IBC Garden Water Tank Fitting is 100mm, the upper outer diameter is 58mm, and the height is 67mm.It is compatible with all IBC brands. High-quality materials: Our replacement faucet fitting is made of high-quality plastics), which is highly resistant to acid and alkali, corrosion, abrasion, sturdy and durable, and has a long service lifeof life. Uses: This IBC Adapter is used to tighten pipe fittings for oil, water, gas and others, garden irrigation, shipbuilding, automobiles, herbicides, sewage, chemicalsorganic and inorganic and other industries. Adapter for IBC water tanks and IBC containers, suitable for 640l - 1000l tanks with a DN100 coarse thread.Of course also fits 1000l rainwater tanks! The right connection adapter for your water tank, if your water tank has a DN100 coarse thread, and you would like to reduce it to 50 in order to use S60x6 accessories tanks and IBC containers.