Literally used for less than a month. Just it's a bit too small for my tank. I have an 80 gallon. Its rated for up to 80 gallons but really it is about 60 or less.3 - 15.5mm holes. 15 x 15 x 14in. Bubble Diffusing Intake Chamber with Lid. The item "IceCap RS-15 Cube Reef Saltwater Refugium Sump" is in sale since Wednesday, July 29, 2020. This item is in the category "Pet Supplies\Fish & Aquariums\Filters". The seller is "priceilike" and is located in Scranton, Pennsylvania. This item can be shipped worldwide.