CPR CS90 DELUXE Aquarium Overflow Box.
**** Overflow Box Selection Chart ****
**** PRODUCT MANUAL ****
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.
* Flow Rate: 600gph
* Outflow Size: 1" Bulkhead
* Width: 7.25"
* Dimensions: A: 7", B: 8.5", C: 1 3/8", D: 1.5", E: 4 3/8" , F: 5", G: 8.75", H: 5 7/8", I: 3 3/8", J: 2.75", K: 3.75"
DELUXE PACKAGE Includes:
*CS90 Siphon Overflow box
* Acrylic Lid
* Aqua-Lifter Pump
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i like it and easy to set up Review by Timothy
i'm the first to review? really?! i'm surprised more people aren't purchasing this product as i'm very satisfied with it. obviously not able to drill my tank and this was great especially with the back up pump system! the concern is that most siphon systems could fail with air bubble accumulation however this potentially is comletely eliminated. just used some PVC cement and primer when connecting the drain hose, allowed to dry for 24 hrs, no leaks. very quiet. does make some noise, obviously, but sounds like a gentle stream or water fall. small thin tube with o ring easy to move up and down to noise comfort level. make sure to match pump return gph to what your overflow system can handle. also able to adjust water level in tank up and down with the 2 simple screws on top for optimal levels. (Posted on 8/28/2014)