Aqua One Aquis Powerhead O-ring CF500 & CF700

Description Aqua One Aquis Powerhead O-ring CF500 & CF700 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 This O-ring fits a specific range of canister filter models across several brands: 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  Key Specifications & Care 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.