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The four smaller secondary filters are a separate part (Unicel C-4401)
All the benefits of our chitosan clarifier technology
Corrosion resistant check valve
capturing debris
Proprietary blend of diphosphonic and tricarboxylic acids (20–30% w/w)
Pentair Legend Back-Up Valve White | E10 Defoamers The four smaller secondary filtersThe Pentair Legend Back Up Valve (E10) is the OEM replacement back up valve for the Pentair Legend automatic pool cleaner line. This is the White version confirm the color of your existing valve before ordering. IMPORTANT: CONFIRM COLOR BEFORE ORDERING This listing is for the White back up valve only. The Legend cleaner has been produced with different colored components across production runs. Match the color of your existing back up valve before
