Gynotec’s SpermFilter® media are ready-to-use density gradients for separation and purification of highly motile human spermatozoa for all sperm wash processes. Composed of silica particles covalently coated with silane and resuspended in isotonic phosphate and HEPES-buffered saline, SpermFilter® density gradients are a reliable suspension media for semen preparation in IUI, IVF, and ICSI procedures. SpermFilter® is available in several sizes and formats: 100% stock solution, 45% gradient and 80% gradient.

100 ml or 250 ml

  • Ready-to-use, with a shelf life of 18 months
  • Silane-coated silica particles
  • Osmolair stability with EBSS salts
  • Removes sources of ROS, bacteria, and sperm with abnormal DNA
  • Improves cryo-survival, yield, and recovery compared to traditional swim-up techniques