Spa Filter Cartridge for Jacuzzi J-300 - Replaces 6540-476, SD-00640

Overview

Treat your Jacuzzi spa to the spa-grade water clarity it was designed for with the Poolzilla replacement filter for Jacuzzi Premium J-300 and J-400 series hot tubs. This cartridge measures 15.5 inches in length and 6.625 inches in outer diameter — the exact dimensions needed to drop straight into your Jacuzzi filter canister with no adapters, no shimming, and no guesswork. The pleated polyester media is engineered to capture oils, lotions, hair, and fine debris that cloud hot tub water and irritate skin, while sealed end caps lock the cartridge firmly in place so dirty water can't sneak around the edges. The result is silky, sparkling water and a spa pump that runs smoothly without the strain of fighting through a clogged or ill-fitting filter.

Because hot tubs handle a higher concentration of body oils and lotions than pools do, plan to rinse this cartridge every two to four weeks and replace it every 12 to 15 months for typical residential use — sooner if you entertain often or notice water staying cloudy even after shocking. A fresh filter protects your spa pump from extra strain, helps your sanitizer work more efficiently, and keeps soak time feeling luxurious instead of murky. Swapping it out takes about two minutes: power off the spa, lift out the old cartridge, drop the new Poolzilla filter in, and you're done. Order yours today — and consider grabbing a spare so you can rotate one in while the other dries, doubling the life of each cartridge and keeping your spa ready for relaxation any night of the week.

What's Included

Your order includes the selected quantity of replacement spa filter cartridges. Each unit is individually inspected for quality before shipping.