EasyPro Pro-Series Water Fill Box Tetra Pond they offer more of an

they offer more of an option to adjust flow rates through different air stones and help eliminate back-pressure

Winkler dissolved oxygen test will give false

Dosate Rates

With the increasing popularity of the AlphaONE filter

EasyPro Pro-Series Water Fill Box Tetra Pond they offer more of anEasyPro Pro Series Water Fill Boxes are ideal for auto fills in ponds, Just A Falls systems or formal pools! This is a great way to mount a water fill valve in a pond without a skimmer. Provides ideal housing in which to install an autofill Sits inside the liner and holds fill valves up to 13" long Includes 1 2" inlet bulkhead and 1" overflow bulkhead Should be used with EasyPro WFS37 or WFS50 autofill valve Measures 15"L x 8"W x 8"H Auto fill valve