4" filter sock holder; holder, bracket, inlet tube included SOCK-IT PRE-FILTERS Mechanical filtration made easy Easily add a filter sock to most any sump (vertical or euro-braced tanks) Tinted body and adjustable bracket height Adjustable length inlet too reduce noise and splashing Inlet connects to standard 1" fittings, pipe and hose Fits onto vertical rims less than 1.25” thick and euro-bracing less than 0.50” thickli> Manufacturer Info CPR Aquatic Aquarium Supplies In Arcata, located in Northern California, the sea is a way of life. From the advanced Marine Biology department at Humboldt State University, just up the hill from CPR’s headquarters, to Humboldt Bay, about a mile west, CPR is nestled in a perfect environment to develop equipment for marine aquariums. CPR was started in a small garage in 1987 to produce biological filters for local aquarists. People who used CPR filters were impressed by the high quality and affordable prices. Word spread and the company grew. Since then, CPR has expanded to a 10,000 sq. ft. production facility and has developed many innovative products over the years. CPR is incorporating new ideas and technologies all the time. Their goal is to allow aquarists to place the highest performing products in their tanks at reasonable prices.
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