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50 Gallons or Less & Complete Kits

Overflow Boxes

A built-in overflow is the most efficient method of draining aquarium water to a filter. If your aquarium does not have built-in overflow, CPR Continuous Siphon Overflows/Prefilters are the best means for getting water from an aquarium to a filter system without expensive modifications to the tank. They quietly skim up to six times more water than units with tubes.

The advantages of CPR Continuous Siphon Overflows/Prefilters include:

Adjustable water level allows you to easily change the level in your tank.
Black top reduces algae growth.
Plastic screen to prevent fish loss.
Quiet operation.
We highly recommend using the Aqualifter pump, available on this page, with your CPR Overflow.

Displaying products 1 - 11 of 11 results	Show:	Sort:

Over Flow Box 10-75 Gallon Single By Eshopps List Price: $74.49 Your Price: $56.99 You Save: $17.50 (23 %)	Over Flow Box 125 Gallons Single By Eshopps List Price: $85.99 Your Price: $65.99 You Save: $20.00 (23 %)	Over Flow Box 200 Gallon Dual By Eshopps List Price: $94.99 Your Price: $71.99 You Save: $23.00 (24 %)
Over Flow Box 300 Gallon Dual By Eshopps List Price: $108.99 Your Price: $82.99 You Save: $26.00 (24 %)	CS50 Siphon Overflow 300 GPH By CPR Aquatic List Price: $91.49 Your Price: $75.99 You Save: $15.50 (17 %)	CS100 Siphon Overflow 800 GPH By CPR Aquatic List Price: $128.49 Your Price: $106.50 You Save: $21.99 (17 %) CPR Overflow Pump
CS90 Siphon Overflow 600 GPH By CPR Aquatic List Price: $118.99 Your Price: $98.49 You Save: $20.50 (17 %)	CS102 Siphon Overflow 1200 GPH By CPR Aquatics List Price: $138.99 Your Price: $113.50 You Save: $25.49 (18 %)	Aqualifter Siphon Overflow Pump Your Price: $16.00 CPR Overflow Pump
ADHI Over Flow Box- Single Drain Your Price: $69.00	ADHI Over Flow Box- Dual Drain Your Price: $75.00

Our mission

Fish Tanks Direct Specializes in Acrylic Aquariums delivered right from the factory floor. Save thousands of dollars off of your next custom acrylic aquarium by shopping with us. We have been in the Fish Tanks industry for over 20 years and we have knowledgeable staff that will be happy to pick out the perfect acrylic aquarium for your home. Don't forget to shop by shape! We have a wide assortment of shapes that you can choose from which come in many of the popular sizes. Our customized fish tanks do not come with stand or canopy so you will have to order them separately. Many of the wood stains are minwax colors so check your local hardware store to see the actual color as the web can distort the actual color.

We also carry a full line of filters for your aquarium. We can perfectly match your aquarium up with a powerful protein skimmer and or canister filter. It is critical that you have proper filtration when purchasing your acrylic fish tank. Advanced hobbyists can take advantage of our low cost aquarium chillers. We have better brands at a lower price than many of our competitors. Need clean water? Passionate about getting rid of parasites? We carry Reverse Osmosis systems, UV sterilizers, and Ozonizers to fit any application. Simply ask one of our helpful staff members to help you out.