C-4950

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Used in Bullfrog Calm Series Spa's 2026+ in the Calm it will come with a reusable plug to cap the top of the filter, forcing more suction through the actual filter media. Keep your spa water sparkling with this trusty filter! Made right here in the USA, this replacement cartridge offers top-notch filtration with minimal fuss. Featuring a sturdy ABS or PP core, high-quality polyester media that traps dirt like a pro, and chemical-resistant urethane end caps, it fits perfectly, works hard, and installs in a snap. Dive into cleaner, clearer spa time! unicel C-4950, pleatco PRB60-IN, Rainbow Dynamic 50 Show more