Freeflow 78459 spa filter – 25 sq. ft. cartridge

The Freeflow 78459 filter cartridge provides a 25 sq. ft. filtration area for compatible hot tubs. Its compact closed-top design and threaded bottom fitting must match the installed filter.

The right filter starts with the right part number

• 25 sq. ft. filtration area
• Diameter of approximately 4 15/16 in.
• Length of approximately 6 5/8 in.
• Closed top; 1 1/2 in. MPT male thread

Dimensions and ends

Outside diameter: approximately 4 15/16 in. Length: approximately 6 5/8 in. Closed top and nominal 1 1/2 in. MPT male threaded bottom fitting.

Compatibility

For hot tubs whose parts list specifies the Freeflow 78459, including some Mini configurations. The 50 sq. ft. 78460 filter is a different size.

Maintenance

Rinse the filter media regularly according to the hot tub manual. If needed, use a cleaner designed for filter cartridges and rinse thoroughly before reinstalling.

To confirm the right filter, send us the hot tub brand, model, year, and a photo of the current filter showing its part number.

In the box

• 1 replacement filter 78459, sold individually.

Helpful details

How can I confirm compatibility?

For hot tubs whose parts list specifies the Freeflow 78459, including some Mini configurations. The 50 sq. ft. 78460 filter is a different size.

What is its filtration area?

The stated area is 25 sq. ft. Also check the dimensions and ends.

Which dimensions should I check?

Outside diameter: approximately 4 15/16 in. Length: approximately 6 5/8 in.

What type of ends does it have?

Closed top and nominal 1 1/2 in. MPT male threaded bottom fitting.

How many filters are included?

One 78459 filter. If your hot tub uses more than one, order the required quantity.

When should I replace the filter?

Replace a cartridge that is damaged, deformed, or no longer provides the intended filtration after cleaning. Follow the manufacturer's instructions.