• Premium Quality BPA-free Material: COFFILTRO. Spigot product and nut part are all BPA-Free. It won't grow any white milky substance like metal nut do.
• Durable and Safe: The Sight Tube, Spigot, washer and the nut are all made with BPA-Free Material. The outer protection for the tube are made with lightweight aluminum. They make the whole product a stronger, durable structure and safe for drinking
• Compatibility: water level spigot is compatible with the original Travel, Big, Royal, Imperial Water Filter System; Alexapure Pro Water Filtration System, or any water tank with a Water outlet within 0.7" dia
• Clear View for Water Level: The BPA-Free tube helps to tell the water level clearly. No longer need to lift the heavy canister to check how much water remains. water as you need
• Easy to Insatll: Comes with two washers and a nut. One washer for the outside, one for the inside