OEM Softub Spas Filter For Softubs 2009 and Newer

OEM Softub 2003905 Filter for Softubs 2009 and Newer (5″ Drain Cover – Snap-On)

This is the Softub 2003905 / 5020 filter for 2009+ Softubs with a 5″ drain cover and snap-on filter style.

Pro Tip: Most Softub owners keep a second filter on hand to rotate and extend filter life.

This is the larger 5″ snap-on Softub filter used on most 2009+ models.

This OEM Softub filter fits Softubs 2009 and newer with an approximately 5″ suction/drain cover and is the correct replacement for newer Softubs using the larger snap-on filter style.

This filter replaces Softub part numbers: FC9900 | 60305 | 5020 | 2003905 | 182888

Which Softub Filter Do I Need?

• 5″ drain cover → 2003905 / 5020 (this filter)
• 4″ drain cover → 8555 (older models)

Filter Life & Performance

This filter is designed to last approximately 6 months when used with proper cleaning and maintenance.

Proper Filter Care System

• Keep two sets of filters and rotate them regularly
• Install a clean filter while the other dries
• Rinse the dirty filter with a high-pressure nozzle
• Verify no debris remains between the pleats before storing
• Allow the filter to fully dry before reuse
• Once a month, soak filters in a filter cleaner solution

Specifications

• Type: Snap-On
• Outer Diameter: 6″
• Length: 7½”
• Top: Closed
• Base: 5½” Open
• Filtration Area: 35 sq. ft.
• Media: 3 oz

Compatible Softub Models

• Sportster 140 (140 gallons)
• Legend 220 (220 gallons)
• Resort 300 (300 gallons)
• Portico (274 gallons)
• PoseidonX (274 gallons)

Cross Reference

Softub P60305 | 5020 | 2003905 | FC9900 | 182888 | 60305

Looking for the Older 4″ Filter?

👉 Click here for the Softub 8555 filter (pre-2009, 4″ drain cover)

Shipping & Availability

• ✔ In stock in the USA
• ✔ Ships fast
• ✔ Carefully packaged

Frequently Asked Questions

Does this fit all Softubs?
No. This filter only fits Softubs 2009 and newer with an approximately 5″ drain cover.

Is this a threaded filter?
No. This is a snap-on filter. The older 8555 style is also snap-on, but it fits a smaller 4″ drain cover.

What size Softub filter do I need?
Measure your drain cover. If it is about 5″, you need this 5020 / 2003905 filter. If it is about 4″, you need the 8555.

What if I’m not sure?
Send us a photo and we’ll help confirm before you order.

Also searched as: Softub 5020 filter, Softub 2003905 filter, Softub filter 2009+, Softub 5 inch filter, FC9900 replacement