Aqua One 10698 Pump Head Replacement O-Ring for Aquis 500 700 550 750 Nautilus 600 800 Cage Feature：

Feature：

Regulatable temperature

Aqua One Aquis 700 Series 2 Advance Canister Filter / CF750

Australia 2-pin plug

High-strength ceramic shaft and wear

Aqua One 10698 Pump Head Replacement O-Ring for Aquis 500 700 550 750 Nautilus 600 800 Cage Feature：Description: The Aqua One Pump Head O Ring goes around the underside of the pump head. When the pump head clips down onto the filter canister it creates a air tight seal. Over time the O ring can get dry or cracked which allows water to leak out of the canister filter therefore requiring replacement. Aqua One Genuine Replacement Pump Head O Ring for: Aqua One Aquis Canister Filters 500 & 700 Aqua One Aquis II Canister Filters 550 & 750 Aqua One