Castleton Wood Stove Brand_SpaGuard One cartridge covers in-ground pools

One cartridge covers in-ground pools up to 25

plus chemical-resistant end caps and a solid core

Vegetable Glycerin

because they solve different problems

Castleton Wood Stove Brand_SpaGuard One cartridge covers in-ground poolsOverview All the features you know and love from the original Castleton now with added Combined Combustion System. The Hearthstone Castleton is classically styled and built with the all the essentials. The Castleton gives you the heating qualities of soapstone and the detailing of fine cast iron. designed to maintain a warm, consistent heat, the Castleton is simple, reliable, affordable, and beautiful. Quick Specs BTUs: Up to 45,000 Output Heating