50 SQ FEET CARTRIDGE – Fits Hydropool Serenity tubs (2019 & earlier)
Diameter: 5″ Length: 13-5/16″ Top Hole: 2 1/8″ Bottom Hole: 2 1/8″
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Diameter: 6-5/8″ Length: 14-7/8″ Top: Handle Bottom: 2″ SAE Fits Jacuzzi Premium J-300 and J-400
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