LiquidArt Watershed Cascade Triple Bubbler Fountain 4'x4' fountain base holds 70+ gallons of water circulated by an 2100 gallon per hour pump All connections are made by easy-to-assemble PVC connectors, which are all included Very realistic looking concrete bubblers are hollow, so they're easy to move onto the fountain base without large equipment Naturally rot resistant Completed project normally only takes around four hours