






Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.
๐ฉ Seal the deal, save your sanctuary!
Captain O-Ringโs A20063/A20064 replacement o-rings come in a convenient 2-pack, designed specifically for Fluval 304-307 and 404-407 canister filters. Made from durable rubber and proudly assembled in the USA, these precision-fit seals ensure leak-free operation and easy installation, giving aquarium enthusiasts peace of mind and a reliable backup on hand.





| ASIN | B0CJSW1QS1 |
| Best Sellers Rank | #27,587 in Pet Supplies ( See Top 100 in Pet Supplies ) #270 in Aquarium Filter Accessories |
| Brand | Captain O-Ring |
| Brand Name | Captain O-Ring |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 178 Reviews |
| Manufacturer | Captain O-Ring LLC |
| Material | Rubber |
| Material Type | Rubber |
| Model | A20063 O-Ring |
| Number of Items | 2 |
| Number of Pieces | 2 |
| Part Number | A20063 |
| UPC | 810061941422 |
| Unit Count | 2 Count |
R**B
Worked perfectly.
Product worked perfectly. Easy to install. No leaks!
U**0
Exact fit, cant go wrong
Capital rings are great I have a fluvall 407 and a 107 and purchase the o-rings for both The nice thing is is you get two o-rings per package so even in the event that the factory one fails you still have a second backup they fit like a charm just remember to put some o-ring grease that's not petroleum based look for food safe Billy skin actually makes a food safe and food contact o-ring lubricant comes in a tube and pretty well priced these will be my go-to from here on out I've had to change one o-ring on each pump and I still have an extra one left over at their price it's a steal it's definitely worth having o-rings and replacing them every once in awhile than having a flooded house and dead creatures
C**.
No more leaking!
I used some dielectric food safe grease to lube up the O-ring and installed it on my Fluval filter, no more leaks! Its been working for the past 8 months so I'd say its a durable and quality product.
D**.
Deberรญa venir lubricado
Barato y se ajusta bien. Deberรญa venir lubricado.
G**B
Great seller
Fast shipping. Item as described
A**O
Great replacement
These O-rings are a great fit and replacement part for the Fluval 307 and 407 cannister filters. Whenever I do filter maintenance every 3 months I change out the O-rings. Filter has never leaked or given me issues on fitment.
A**R
Captain 0-ring replacement for Fluval filters.
These work great in both my Fluval 405 and 407 canister filters.
S**R
Stopped the leaks, period!
The new o-rings solved nearly a yearโs worth of frustration with trying to put the lid back on after cleaning, without them leaking. I was literally going to buy a new unit, but decided to try a simple o-ring replacement. Not only did the lid go on smoothly with the new o-ring, but I was able to do it without any leaks! Iโm so happy and relieved.
S**.
Works
Work gteeat
Trustpilot
5 days ago
1 month ago