Unicel C-8399 | 100 sq ft Caldera Spa Filter Type_Ozone Generator 6″ (15mm) cordierite stone baking

6″ (15mm) cordierite stone baking board

Length in Inches: 4"

Heritage PI

Hearth & Home Technologies - DVP12A Venting Pipe - 12"

A Tri-X costs more up front than a polyester cartridge

Unicel C-8399 | 100 sq ft Caldera Spa Filter Type_Ozone Generator 6″ (15mm) cordierite stone bakingThe Unicel C 8399 is a large capacity spa filter cartridge delivering 100 square feet of filtration across 259 pleats of Reemay 2033 polyester media, capturing debris down to an average of 20 microns. Built to meet or exceed OEM specifications, it's the replacement cartridge for Caldera Spas, taking the place of Caldera part 1039607. Filtration is the quiet backbone of clean spa water. Every soak leaves behind body oils, lotions, hair, and fine