Softub 8555 Filter – 2 Pack (Pre-2009 4″ Drain Cover – Snap-On)
This 2-pack includes two Great Barrier Softub 8555 filters for pre-2009 Softubs with a 4″ drain cover and snap-on filter style.
This is the correct replacement filter for older Softubs that use the smaller 4″ suction fitting.
⚠️ Important Fitment Notice
Fits: Pre-2009 Softubs with approximately 4″ drain cover
Does NOT fit:
• 2009 and newer Softubs
• Softubs with approximately 5″ drain covers (2003905 / 5020)
• Older Softubs with threaded filter systems (rare)
Not sure? Contact us or send a photo — we’ll help confirm before you order.
Which Softub Filter Do I Need?
- 4″ drain cover → 8555 (this filter)
- 5″ drain cover → 2003905 / 5020 (newer models)
Why Buy a 2-Pack?
- Keep a backup filter ready for your next rotation
- Avoid ordering again in a few months
- Rotate filters to extend lifespan and performance
Filter Life & Performance
Each filter is designed to last approximately 6 months with proper cleaning and maintenance.
Proper Filter Care System
- Keep two sets of filters and rotate regularly
- Install a clean filter while the other dries
- Rinse with a high-pressure nozzle
- Remove debris between pleats before storing
- Allow filters to fully dry before reuse
- Soak monthly in a filter cleaner solution
Great Barrier Microban Filtration
High temperatures and constant moisture create the perfect environment for bacteria growth inside spa filters.
Great Barrier Pleats are made with genuine Reemay Advantage media infused with Microban antimicrobial protection, helping to:
- Inhibit bacteria growth on the filter surface
- Reduce odors and staining
- Improve durability in hot water environments
- Extend the life of the filter
The result:
A cleaner, longer-lasting filter that stays fresher between cleanings.
Specifications (Per Filter)
- Type: Snap-On
- Outer Diameter: 6″
- Length: 7½”
- Top: Closed
- Base: 4″ Slip Collar
- Filtration Area: 35 sq. ft.
Cross Reference
Softub 8555, FC9911, 5015, 60304
Need Just One Filter?
👉 Click here to purchase a single 8555 filter
Shipping & Availability
- ✔ In stock in the USA
- ✔ Ships fast
- ✔ Carefully packaged
Frequently Asked Questions
Is this the same as the 2003905 filter?
No. This filter fits older Softubs with a 4″ drain cover. Newer models use the 5″ filter (5020/ 2003905).
Why buy two filters?
Rotating filters extends lifespan and keeps your water cleaner.
What if I’m not sure?
Send us a photo and we’ll help confirm before you order.






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