Caldera 73532 | 50 sq ft Paradise Spa Filter Autoship and Unicel's chemical-resistant end caps

and Unicel's chemical-resistant end caps and solid core keep the cartridge true through repeated cleanings

Made in the USA by Meissner Manufacturing

And neither did Green Mountain Grills

is also rated 35 sq ft but is 12-1/2 inches long with a bar handle and a 2-inch thread

Caldera 73532 | 50 sq ft Paradise Spa Filter Autoship and Unicel's chemical-resistant end capsThe Caldera 73532 filter cartridge is a factory original replacement for select Caldera Paradise Series spas. With 50 square feet of filtration across 260 pleats of heavy duty polyester, it delivers more efficient filtration and better water clarity so you spend less time cleaning and more time enjoying your hot tub. Your filter does the work you never see. Every soak leaves behind body oils, lotions, hair, and fine debris, and the cartridge is what