Aquarium Filter Parts & Accessories
We carry a selection of aquarium filter accessories and parts to suit a variety of aquarium filters.
If you can not find a specific part for your aquarium filter please get in touch.
All Castle Dawn Aquatics branded aquarium filter accessories are universal.
SUNSUN CPF/CPF-30000 Pressure Canister Filter Replacement Rubber Seal O-Ring
$22.00
Genuine replacement rubber seal for CPF-30000 Pond Pressure Bio Filter. Please email us if you wish to use the replacement O ring seal on a similar model to confirm the size before...
Waterproof Replacement Digital Temperature Sensor Probe 2 meters
$9.99
Universal replacement aquarium digital thermometer probe accurate within ±0.75%. Our probes are waterproof with 2 meters of cable. Our probes are suitable for freshwater and saltwater aquariums. If there is...
Castle Dawn Aquatics Aquarium ATO Water Replenishing Auto Top off Kit
$11.38
This practical little device tops off your aquarium water as it lowers, simply add an old bottle filled with premade water and you have an ATO without emptying your wallet....
SUNSUN Pond CPF/CPA 30000 Canister Filter Replacement Crank Handle
$38.99
Replacement clean crank handle for SunSun CPF/CPA 30000 pond filter range. If you can not find the replacement part for your filter model please drop us an email. We carry...
SUNSUN Pond CPF/CPA 20000 Canister Filter Replacement Crank Handle
$38.99
Replacement clean crank handle for SunSun CPF/CPA 20000 pond filter range. If you can not find the replacement part for your filter model please drop us an email. We carry...
Polar Aurora 266GPH Canister Filter Tap Valve Set Inlet Outlet
$12.99
Genuine Polar Aurora 266GPH series external canister filter replacement tap valve. If the replacement tap valve you are looking for is not available for purchase please drop us a message,...
Polar Aurora 370GPH Canister Filter Tap Valve Set Inlet Outlet
$12.99
Genuine Polar Aurora 525GPH series external canister filter replacement tap valve. If the replacement tap valve you are looking for is not available for purchase please drop us a message,...
Polar Aurora 370GPH Aquarium Canister Filter UV Quartz Sleeve Replacement tube
$14.99
Replacement UV light sleeve for Polar Aurora 370GPH external filter range. The sleeves will fit similar external filter models. If you can not find the replacement sleeve for your filter...
SUNSUN Canister Filter HW-703A/703B Replacement Rubber Seal O Ring
$8.90
Genuine replacement rubber seal for SunSun HW series external filters. Please email us if you wish to use the replacement O ring seal on a similar model to confirm the size...
SUNSUN Canister Filter HW-404A/404B Replacement Rubber Seal O Ring
$8.90
Genuine replacement rubber seal for SunSun HW series external filters. Please email us if you wish to use the replacement O ring seal on a similar model to confirm the size...
SUNSUN Canister Filter HW3000 Replacement Rubber Seal O Ring
$8.90
Genuine replacement rubber seal for SunSun HW series external filters. Please email us if you wish to use the replacement O ring seal on a similar model to confirm the size...
SUNSUN CPF/CPF-5000/10000/15000 Pressure Canister Filter Replacement Rubber Seal O-Ring
$20.99
Genuine replacement rubber seal for CPF-5000/10000/15000 Pond Pressure Bio Filter. Please email us if you wish to use the replacement O ring seal on a similar model to confirm the size before...