Fits
Fluval FX UVC In-Line Clarifier
Part no.
A20233
Genuine part
Yes, genuine Fluval
Bore
25 mm
Job
Plumbs FX UVC into filter
Fluval FX UVC Connector Tube
Genuine Fluval connector tube for the FX UVC In-Line Clarifier. This 1 in (25 mm) ribbed hose plumbs the Fluval FX UVC In-Line Clarifier into your FX2, FX4 or FX6 canister filter, carrying water from the filter through the UV-C unit and back. It's the genuine Fluval part (A20233), sized to match the FX filter's own hosing.
Key features
- Genuine Fluval part A20233 – sized and rated to match the FX UVC clarifier's fittings.
- 1 in (25 mm) ribbed hose – the same bore as standard FX filter hosing.
- Fits FX2, FX4 and FX6 canister filters – connects the UVC unit into the filter's flow.
- Flexible, kink-resistant construction – ribbed profile holds its shape around cabinet corners.
Specifications
| Genuine part number | A20233 |
|---|---|
| Barcode | 015561302333 |
| Inner diameter | 1 in (25 mm) |
| Fits | Fluval FX2, FX4, FX6 canister filters, with the FX UVC In-Line Clarifier |
Will it fit my filter?
This tube fits the Fluval FX UVC In-Line Clarifier (Fluval part A199) when plumbed to an FX2, FX4 or FX6 canister filter. Fluval does not list the older FX5 as a confirmed fit for this connector tube – if you have an FX5, check your existing hose fitting before ordering, or contact us to confirm.
What's included / not included
This listing is for the connector tube only. It does not include the FX UVC In-Line Clarifier unit or its replacement bulb, which are sold separately.
Care and maintenance
Inspect the hose periodically for kinking, cracking or stiffness, particularly near the clamp points, and replace it if it no longer seals cleanly at the fittings.
Warranty and delivery
Covered by Fluval's standard spare parts warranty against manufacturing defects, in addition to your rights under Australian Consumer Law. Standard freight applies.
Common questions
What is this tube for?
It connects the Fluval FX UVC In-Line Clarifier to an FX2, FX4 or FX6 canister filter's hosing so water passes through the UV-C unit.
Does this fit the FX5?
Fluval does not list the FX5 as a confirmed fit for this part. Check your existing FX UVC hose connection or contact us before ordering if you have an FX5.
Does this include the UVC unit itself?
No, this is the connector hose only – the FX UVC In-Line Clarifier and its replacement bulb are sold separately.




