Jandy R0487400 JS Series Sand Filter Lid O-Ring Bag these granules remain effective in

these granules remain effective in warm water where standard pool chlorine products may break down too quickly

Clean equipment pad layout

Aftermarket bags may vary in mesh density or fit

pulling to one side

They are ideal for use during pump service

Jandy R0487400 JS Series Sand Filter Lid O-Ring Bag these granules remain effective inOEM Lid Seal for Jandy JS Series Sand Filters The Jandy JS Series Sand Filter Lid Seal O Ring (R0487400) is a genuine OEM replacement gasket designed to create a watertight seal between the filter tank and lid on Jandy JS series sand filters. This O ring is critical for maintaining proper internal pressure, preventing water leaks, and ensuring safe, efficient filter operation. Over time, sand filter lid seals can flatten, crack, or lose elasticity due