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The 78" x 66" Hot Tub Cover (Long-edge Fold) is an exact Master Spa Factory OEM replacement. It is specifically designed to fit your Master Spas® hot tub. This cover is extremely energy efficient, as it's made of a 1.5-pound foam density, six-inch thick foam insulation (which tapers to 4-inches along the sides), and a full-length heat seal. It has been upgraded to include two rubber grip handles and is made of a high quality marine-grade vinyl covering that is mildew treated.

Note: This particular cover folds along the longer 78" edge. If you need a cover with these same dimensions (66" x 78") but that folds along the short edge, try our 66 × 78 Inch Hot Tub Cover (Short-edge fold).

SpaBoss pH Stable is the easiest way to keep your hot tub water balanced and under control. By keeping the pH level stable, you won’t need any many other chemicals in the water. Balanced water chemistry prolongs the life of your hot tub and all the working parts that make it enjoyable.

The VL702S Topside Hot Tub Control Panel (SKU: X310190) is a versatile model compatible with numerous models of Down East Spas and Twilight Series™ spas. The seven buttons on this controller are designed for use in low-light and nighttime conditions, as well as an LCD readout display.

This product comes with free shipping!

SpaBoss Energize oxidizing shock treatment and activates bromide salts

Mini-Storm Pulse with M.S. Logo

1" Diverter Cap for Majestic Style Diverters used in Michael Phelps Legend Series

Mini-Storm Multi-Massage with M.S. Logo

Poly-Storm Multi-Massage with M.S. Logo

This right support arm for the CoverMate III is a powder coated replacement pivot arm of the original on your hot tub cover.

*To determine if this is the correct replacement arm you need, look at your cover in the open position. While facing the spa and open cover lifter, the right arm is on the right side.*

Measure the chemical balance of your hot tub water with AquaChek Silver 7-Way Test Strips in just 15 seconds.

• Count: 100 test strips
• Tests for: Total Hardness, Total Chlorine, Total Bromine, Free Chlorine, pH, Total Alkalinity, Stabilizer (Cyanuric Acid).

SST Power Storm Directional with M.S. Logo

This left support arm for the CoverMate III is a powder coated replacement pivot arm of the original on your hot tub cover

*To determine if this is the correct replacement arm you need, look at your cover in the open position. While facing the spa and open cover lifter, the left arm is on the left side.*