s[21]df7 95 Wood Fireplace Type_Spa Crystals Most spa filters seat with

Most spa filters seat with a threaded fitting or simply drop into a well

That combination gives you more efficient filtration and better water clarity — so you spend less time cleaning and more time enjoying your hot tub

and a smart thermostat function that adjusts flame height to match your room temperature

a brand-new fill takes much longer to reach a protective bromine level

s[21]df7 95 Wood Fireplace Type_Spa Crystals Most spa filters seat withOverview The Stv 21 clads are turnkey wood fireplaces that provide efficient heating, a refined design, and the possibility of an open or closed fire. These simple and ingenious models do not need to be built into a wall and do not require any special finishing. Thanks to their steel casing, they are as simple to install as a wood stove. Quick Specs BTUs: Up to 50,000 Input Heating Capacity: Up to 1,600 sq ft Viewing Area: (H) 24 3 16 in x (W) 30 5 16