Watkins Hot Spring 71828 spa filter – 65 sq. ft.

The Watkins Hot Spring 71828 filter is a 65 sq. ft. replacement cartridge, sold individually. Its large diameter and two 3 in. openings let you compare its size with your spa filter.

The right filter starts with the right part number

• 65 sq. ft. of filter area
• Approximately 8 1/2 in. in diameter
• Approximately 10 1/2 in. long
• Two openings measuring approximately 3 in.

Dimensions and ends

Diameter: approximately 8 1/2 in. Length: approximately 10 1/2 in. Top and bottom openings: approximately 3 in.

Compatibility

For systems using part number 71828. Equivalent part numbers to compare: Unicel C-8465, Pleatco PWK65, and PC-3960. Confirm the dimensions and fit.

Care

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

To confirm your selection, send us the spa brand, model, year, and a photo of the current filter showing its part number.

In the box

• 1 replacement 71828 filter, sold individually.

Helpful details

How can I confirm compatibility?

For systems using part number 71828. Equivalent part numbers to compare: Unicel C-8465, Pleatco PWK65, and PC-3960. Confirm the dimensions and fit.

What is its filter area?

The stated filter area is 65 sq. ft. Also check the dimensions and ends.

Which dimensions should I check?

Diameter: approximately 8 1/2 in. Length: approximately 10 1/2 in.

What type of ends does it have?

Top and bottom openings: approximately 3 in.

How many filters are included?

One 71828 filter. If your spa uses more than one, order the required quantity.

When should I replace the filter?

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