HQPASFY EC50C 12-19/32" Length Tension Control Clamp Assembly Compatible with Hayward EC50AC EC50C Series Perflex D.E. Filter ?APPLICATION?The pool filter clamp with spring compatible with Hayward EC50AC, EC50C80X5S and EC50C90 series perflex D.E. filters. NOT fit Hayward Micro-Clear DE filter or Hayward Super Star Clear cartridge filters ?HIGH QUALITY?Long life-span matters, that is why our tension clamp is made of high-quality material which prevent leak and premature failure to ensure it can work for a long time ?FEATURE?As time goes on, the filter clamp starts to get old and the threads will begin to strip, if the clamp breaks the filter tank top will explode off. Replace the filter clamp, you can protect your filter, will not cause you too much loss ?DIMENSION?This filter clamp assembly, with a closed - size of 32cm (12.59 inches) in height and 34cm (13.38 inches) in width, and a specific dimension of 1.66cm (0.65 inches) as shown in the detail, keeps a tight seal between the two filter halves. Replacing the clamp is a simple and convenient process