Cartridge, 7-1/8"x 10-1/2" Closed Y Standoff Open Twistlock

Perfect Fit Compatibility: Designed specifically for hot tubs and spas that require a 7-1/8" x 10-1/2" filter with a closed Y standoff and open twist lock, ensuring hassle-free installation and a secure fit every time

Powerful Filtration Performance: Captures dirt, debris, and contaminants with high-efficiency media to keep your spa water crystal clear and clean

Durable Construction: Built with heavy-duty materials that resist cracking and breaking, so you get long-lasting filtration without constant replacements

Easy Maintenance Design: The open twist lock makes removing and replacing the cartridge quick and simple, saving you time during regular cleanings

Improves Water Quality: Helps extend the life of your spa equipment by reducing buildup and improving overall water circulation for a better soak every time