s[21]sf2 85 Wood Fireplace Type_Spa Crystals This is the outer version

This is the outer version of the complete filter

Use these crystals to enhance your hot tub experience

both shorten the life and looks of your spa

Pro Tip: Spa Up and Alkalinity Up are not the same product

Neglected and exposed to direct sun

s[21]sf2 85 Wood Fireplace Type_Spa Crystals This is the outer versionOverview 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 Heating Capacity: Up to 1,400 sq ft Viewing Area: 26 1 2 (W) x 21 1 16 (H) in. BTU 48,000 Width 66 5 16