Aqua One part 10698 is a genuine replacement Pumphead O-Ring designed to create an airtight and watertight seal between the filter motor housing and the canister base. Over time, this rubber ring can stretch, crack, or become brittle, which is the primary cause of filter leaks.

Compatibility

• Aqua One Aquis: 500, 700
• Aqua One Aquis II: 550, 750
• Aqua One Nautilus: 600, 800
• Via Aqua: 230, 300
• JBL Canister: CP 120, 250 

• Function: Prevents leaks and maintains optimal internal filtration pressure.
• Material: Long-lasting, heavy-duty black sealing rubber.
• Maintenance: To prolong its lifespan, apply a thin layer of aquarium-safe silicone lubricant during routine filter cleaning.
• Replacement Cycle: Experts recommend inspecting the seal during every clean and fully replacing it every 12 to 18 months to prevent unexpected flooding.