Thermal King 10 x 9 Foot Spa Blanket pool-size_50000-74999 Four elements are required

Four elements are required

The Chemtrol PC5100 dual controller operates like a computer with full-screen displays and direct access to all menus and submenus

The output signal of the Model 515 is a sinusoidal frequency capable of driving a self-powered flowmeter (Model 5090)

pool openings

2x2 C6 Plus

Thermal King 10 x 9 Foot Spa Blanket pool-size_50000-74999 Four elements are requiredThis is an energy saving thermal spa cover measuring 10 x 9 feet with no edging. The stocked spa covers come unedged. Using household scissors, you can cut them to fit your spa's custom configuration. These superior, energy saving spa covers will outlast all others and offer significant energy savings. Covers are made of a five layer system to insulate and protect. The heavy duty material is UV protected and engineered to provide the most efficient