Aqua Ultraviolet Ultima Filter Union O-Ring Replacement, 1.5 in

This replacement O-ring seals the 1.5 in union on an Aqua Ultraviolet Ultima filter. A fresh O-ring helps the union stay watertight.

• Size: 1.5 in
• Replacement O-ring for the Ultima filter union

Turn the filter off and drain it before changing the ring. Rinse and lubricate with aquarium-safe grease if the manufacturer recommends it.