1000L tank connection with filter function, 1000 liter tank adapter, 5 types of use, to meet all your needs. Connector Size 20 Pagoda Connector Connector Size 1/2'' Outer Thread Connector size Outer thread 3/4'' Connector size Inner thread 3/4'' The filter can absorb coarse dirt, such as leaves left by rain. When constructing a rainwater harvesting system with entry through a drain or downspout, it is essential that our home have a filter connector. You can remove the cleaning filter and use it repeatedly, and remove the filter basket at the bottom of the faucet. There is also an aluminum fiber fine filter in the filter basket. Non-toxic, environmental, safe to use. 5 sizes to choose from, suitable for most ton barrels.