---
product_id: 643912097
title: "Replacement A20063 A20064 Orings for Fluval 304, 305, 306, 307, 404, 405, 406, 407 Canister Filter Motor Head Lid Seal Ring (2 Pack)"
brand: "captain o-ring"
price: "S$33"
currency: SGD
in_stock: true
category: "Captain O Ring"
url: https://www.desertcart.sg/products/643912097-replacement-a20063-a20064-orings-for-fluval-304-305-306-307
store_origin: SG
region: Singapore
---

# 2-pack for instant backup Precision-fit for Fluval 304-407 Proudly USA assembled Replacement A20063 A20064 Orings for Fluval 304, 305, 306, 307, 404, 405, 406, 407 Canister Filter Motor Head Lid Seal Ring (2 Pack)

**Brand:** captain o-ring
**Price:** S$33
**Availability:** ✅ In Stock

## Summary

> 🔩 Seal the deal with Captain O-Ring — never let a leak cramp your aquatic vibe!

## Quick Answers

- **What is this?** Replacement A20063 A20064 Orings for Fluval 304, 305, 306, 307, 404, 405, 406, 407 Canister Filter Motor Head Lid Seal Ring (2 Pack) by captain o-ring
- **How much does it cost?** S$33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/643912097-replacement-a20063-a20064-orings-for-fluval-304-305-306-307)

## Best For

- captain o-ring enthusiasts

## Why This Product

- Trusted captain o-ring brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Made in the USA:** Support local craftsmanship with a product proudly assembled and quality-checked on American soil.
- • **Dual-Pack Convenience:** Two premium o-rings included so you’re always ready for maintenance without last-minute runs.
- • **Leak-Proof Confidence:** Engineered to perfectly seal your Fluval canister filter motor head, eliminating leaks and protecting your aquatic ecosystem.
- • **Universal Compatibility:** Specifically designed for Fluval 304, 305, 306, 307, 404, 405, 406, and 407 models — seamless fit guaranteed.
- • **Durability Meets Quality:** Crafted from high-grade rubber with a trusted warranty from Captain O-Ring LLC, ensuring long-lasting performance.

## Overview

Captain O-Ring’s Replacement A20063/A20064 O-Rings (2-pack) are precision-engineered rubber seals compatible with Fluval 304-407 canister filters. Designed to replace worn motor head lid seals, these durable, leak-proof gaskets come with a warranty and are proudly assembled in the USA, ensuring reliable performance and peace of mind for your aquarium maintenance.

## Description

Replace your old, worn, leaking motor head seal with Captain O-Ring’s replacement A20063/A20064 o-rings. Compatible with Fluval 304, 305, 306, 307, 404, 405, 406, 407 Canister Filters. Pack contains two (2) o-rings. Replace your leaking o-ring and have a spare on hand for the future with this handy 2-pack. Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!

## Features

- O-Ring Part Number: A20063 / A20064 (2 Pack) [also called A-20063 / A-20064]
- Compatible with Fluval 304, 305, 306, 307, 404, 405, 406, 407 Canister Filters.
- The A20063 o-ring seals the motor head/lid to the filter canister of the models listed above.
- Contains two (2) o-rings (also called seals or gaskets). Replace your leaking o-ring and have a spare on hand for the future with this handy 2-pack.
- Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJSW1QS1 |
| ASIN  | B0CJSW1QS1 |
| Best Sellers Rank | #94,420 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #83 in Faucet O-Rings |
| Brand Name | Captain O-Ring |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (181) |
| Customer reviews | 4.6 4.6 out of 5 stars (181) |
| Date First Available  | 3 July 2024 |
| Department  | Unisex, All Ages |
| Item model number  | A20063 O-Ring |
| Manufacturer | Captain O-Ring LLC |
| Manufacturer  | Captain O-Ring LLC |
| Material Type | Rubber |
| Model | A20063 O-Ring |
| Number of Items | 2 |
| Number of Pieces | 2 |
| Package Dimensions  | 12.7 x 12.7 x 2.21 cm; 32 g |
| Part Number | A20063 |
| Set Name | Replacement A20063/A20064 O-Ring Set (2 Pack) |
| UPC | 810061941422 |
| Unit Count | 2.0 Count |

## Product Details

- **Brand:** Captain O-Ring
- **Color:** Black
- **Manufacturer:** Captain O-Ring LLC
- **Material:** Rubber
- **UPC:** 810061941422

## Images

![Replacement A20063 A20064 Orings for Fluval 304, 305, 306, 307, 404, 405, 406, 407 Canister Filter Motor Head Lid Seal Ring (2 Pack) - Image 1](https://m.media-amazon.com/images/I/516kyacp9YL.jpg)

## Frequently Bought Together

- Captain O-Ring – Replacement A20063 A20064 Orings for Fluval 304, 305, 306, 307, 404, 405, 406, 407 Canister Filter Motor Head Lid Seal Ring (2 Pack)
- Fluval A20061 X06 AquaStop Valve
- Fluval Ribbed Hosing for 306/307 - 406/407 9.8Ft A20015

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**Shop now:** [https://www.desertcart.sg/products/643912097-replacement-a20063-a20064-orings-for-fluval-304-305-306-307](https://www.desertcart.sg/products/643912097-replacement-a20063-a20064-orings-for-fluval-304-305-306-307)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-22*