size:4 inchProduct specifications:Product models:filter sock holer 4''Product Dimensions: 8.46 x5.12 x 3.94 inches Include:5 pcs Nylon Thumb Screws Filter Sock Holder-It is a simple filter . Very simple and inexpensive way to add filtration to any of your 1" outlets such as overflows and skimmer outlets.the 4" sock holder is adjustable in 4 motions which are up/down, front and back to fit and work in a wide range of versatile applications whether it's a tight sump or that stubborn pipe or electrical cord in the way. The filter sock holders are designed to universally fit and work with mostly all sumps in the industry.