Unicel 7000 Series 65 sq. ft. Replacement Filter Cartridge for Sundance Spas | C-7466 FS2003 If you are unsure about

If you are unsure about this process

Save time and effort by using this kit to identify what kind of stain you have and the right treatment for your entire pool

Natural Chemistry Scale Free - 2 Liter Bottle / 67

or dedicated water feature pump)

Use 1 oz per 100 gallons of spa water per week

Unicel 7000 Series 65 sq. ft. Replacement Filter Cartridge for Sundance Spas | C-7466 FS2003 If you are unsure aboutThe Unicel C 7466 is a 7000 Series precision engineered replacement filter cartridge delivering 65 sq. ft. of filtration area in a compact 14 3 4" profile. With 164 deep set pleats of 3 oz. Reemay 2033 spun bond polyester media, this cartridge maximizes dirt holding capacity and extends cleaning intervals keeping your Sundance spa water crystal clear between service visits. IMPORTANT: OUTER DIAMETER DIFFERENCE THIS IS NORMAL The original Sundance OEM