The W5000 SP pump moves as much as 5,000 gallons of water an hour when at a 1-foot lift. It is for very large waterfalls, including waterfalls up to 50 inches wide. It puts out 445 watts (W) of power, and it is a 4 amp pump. It requires 1.5-to-2-inch ID tubing and it features a seal-less design, which makes it more energy efficient. It is 8.75 inches long by 6 inches wide by 6.5 inches high. The product number is 7115010, and the pump costs approximately $130 in 2010. It comes with a two-year warranty.
This Beckett pump moves as much as 1,150 gallons of water an hour and is for waterfalls up to 1 foot wide or medium-sized waterfalls. It also uses the seal-less design. The pump requires 1-inch ID tubing. It's a 1.2 amp pump and produces 60 hertz (Hz) and 144 W of power. The W1150 pump is 6.62 inches long by 4.5 inches wide by 4.92 inches high. It comes with a two-year warranty, and the product number is 7104710. As of 2010, this pump costs between $70 and $80.
The Becket W3500 SP is for large waterfalls up to 35 inches wide at a 1-foot lift. It moves water at 3,500 gallons an hour. It is 8.75 inches long by 6 inches wide by 6.5 inches high. It is a 2.5 amp pump producing 300 W and 60 Hz. You must use 1.5-to-2-inch ID tubing with this model. It comes with a two-year warranty, and the product number is 7114310. As of 2010, this pump costs approximately $100.
This pump is for smaller waterfalls, up to 6 inches wide, and it uses the seal-less design. It moves 600 gallons of water an hour and it uses ¾-inch ID tubing. It is 6.11 inches long by 4.5 inches wide by 4.92 inches high and produces 70 W of power. This is a 0.6 amp pump, and its product number is 7107910. As of 2010, the W600 pump costs approximately $60.