Product details:

Perflex Extended-Cycle D.E. filters clean pools fast, removing particles as small as two microns the first time through. Its patented Flex-Tube design gives longer cycles between cleaning because the same D.E. filter powder is used over and over.Features: Filter Clamp Assembly Includes Springs Dimension - 14.5 x 14.5 x 4.1 in. Item Weight - 3.9 lbs.