Usage Tips:Stainless steel shaft Standard stainless steel rotor, anti-corrosion, rustproof, wear resistant, long life Free 3.3ft tube and 2 nozzles The package includes a free 3.3ft tube. (1/2 inch I/D). Includes 2 nozzles, 0.33in and 0.51in. Net fittings make it more stable. Stayy Stay, Suit Vertical or Horizontal 4 solid rubber suction cups at the bottom of the fountain pump and 5.9 foot cord helps stay in place. No need for tools to detach the pump. Sr and compact but powerful The fountain pump is safe for fish without copper or oil exposs free. Compact size is easy to hide and disguise. Ultra quiet design Using advanced technology and motor, less than 30% noise than other pumps. it can be used in dirty water and fresh water. Submersible water pump This water fountain pump is submersible and must be completely immersed in the water before powering up to prevent the water pump from browning. NOTE: Please clean it regularly to avoid blocking of debris, otherwise it makes noise. Please do not use it without water. Please put the pump in the water first before plugging in the power supply. Please turn off the power if you change water. Please use cold water only. Widely used: perfect for small tang, aquarium, fountains, extrieure fountain or waterfall for your garden