This filter fits most QCA Spas older Jewel and newer Dream Series models except for the Dream Star. It is a 25 sq. ft. compact filter, floating weir style, with a 4 1/4" outside diameter, a 6 9/16" length and a 2 1/18" opening.
To maximize the life of your filter cartridge:
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Clean the elements as instructed
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Do not use a stiff brush to scrub the media
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Maintain your spa water's chemisty
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Alternate two sets of cartridges when ready to clean
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Use a type of enzyme treatment to break down oils
It's time to change your filter when:
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You notice shorter cycle times between cleanings
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You notice a lower water flow rate and higher differential pressure
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You notice a catastrophic failure such as a tear in the media or center core collapse
CHECK YOUR CURRENT FILTER LENGTH, DIAMETER, OPENING AND SIZE BEFORE ORDERING TO CONFIRM IT'S SPECIFICATIONS