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The custom factory OEM replacement 120” x 94” Master Spas® swim spa tub cover (SKU: X454108) is specifically designed to fit your Master Spas® hot tub. This swim spa cover has a six-inch thick foam insulation, which tapers down to four inches along the sides. This 24 R-value (the higher the R-value, the better the heat retention) energy-efficient cover comes with a 1.5lb foam density and long stopper steam cushions that help prevent heat loss, and upgraded rubber grip handles.
Note: This four-segment swim spa cover folds along the longest dimension (the 120" side).





























