-Genuine HAYWARD part SPX1425Z6 o-ring for HAYWARD self-align unions SP1480, SP1482, SP1484, AND SP1485
-For HAYWARD ASL Series Filters; EC65 Perflex System IIi; ProSeries sand filter system S200PAK2, S200PAK3, S200 System II, S240PAK2, S240PAK3, S240 System II