A hose (not included) can be connected onto the outlet, and water can then be pumped to a drain or bucket. The item is very easy to use, and can be setup in a variety of ways depending on your application.
eBay
Superfish Aquavac. Handy siphon function- simply connect length of tubing to outlet to freshen aquarium water or siphon out. Aqua One Easy Siphon Aquarium Fish Tank Siphon Hose 1m Gravel Cleaner. Vacuum cleans the bottom of the aquarium.
eBay
1 x Aquarium Gravel Fish Tank Vacuum Syphon Cleaner Pump. Also can clean gravel, siphon the fish excreta and other dirt out effectively without requiring a water change. Also be used as a water siphon for water changes, or to empty your aquarium when you connect a hose to outlet.
eBay
1200Mbp 5GWiFi Signal Extender Range Repeater Booster Internet Amplifier UK-Plug. A hose (not included) can be connected onto the outlet, and water can then be pumped to a drain or bucket. 2 Battery Portable Cordless Car High Pressure Washer Jet Water Wash Cleaner Gun~.
eBay
Manual aquarium siphon pump designed for quick water changing, gravel cleaning, and general fish tank maintenance. Aquarium, fish, gravel, and other accessories are not included. Use carefully to avoid removing small fish, shrimp, or decorative substrate by mistake.
eBay
【EASY TO INSTALL AND USE】aquarium siphon is easy to install, easy to use, as long as you follow Follow the siphon principle of high and low water levels, squeezing the special oversized siphon ball can generate strong pressure and suction, and easily complete the fish tank cleaning work.
eBay
This fish tank siphon cleaning tool can be used for water changes, sand washing and dirt suction. It provides a high-power suction and comfortable grip for a better user experience. To wash the sand, insert the gravel cleaner into the aquarium without touching the sand or gravel.
eBay
【EASY TO INSTALL AND USE】aquarium siphon is easy to install, easy to use, as long as you follow Follow the siphon principle of high and low water levels, squeezing the special oversized siphon ball can generate strong pressure and suction, and easily complete the fish tank cleaning work.
eBay