Diameter: 8 1/2"

Length: 10 1/2"

Top and Bottom Hole: 3"

OEM: Watkins Hot Spring Spas

Watkins: 71828

Filbur: PC-3960

Unicel: C-8465

Pleatco: PWK65

Filters Per Case: 1

Watkins Hot Spring Spas

Warranty Coverage: Replacement Filter Cartridges come with a 5 Year Limited Manufacturers Warranty. The manufacturer warrants their filter cartridges against defects on workmanship and materials. This warranty will be void if the filter cartridges become damaged as a result of improper installation or use. Warranty does not cover labour charges, cost of lost water or chemicals, or any other damages that may occur.

Start a Warranty Claim:To begin a claim please email [email protected] with a photo showing the defect(s)/damage to your Replacement Filter Cartridge and include a brief explanation of what occurred.