BEAUTIFUL MOCHA BROWN EXTERIOR AND STERLING WHITE FIBERGLASS INSIDE. Intimacy meets hydrotherapy in our Summit Series SL40 that seats 5 people in our popular lounger seating style. Enjoy special moments with family and friends in the SL40 with its 40 premium hydrotherapy jets and features an LED package, DURA-BASE® and DURA-SHIELD® Hardcover. The Summit Series offers sophisticated opulence for the ultimate hydrotherapy experience. Our Strong Spas Summit Series seating is ergonomically designed for your maximum relaxation and rejuvenation. Combining eye-catching curb appeal with power and efficiency, the Summit Series is designed to bring you peace of mind and restoration for your body. We provide the spa. You make the memories. 74″ x 74″ x 36. 74″ x 74″ x 43.75. Interior & Exterior LED. 40 SS Two-Tone Jets. 2 LED Water Columns. 40 Stainless Steel Jets. Seating for up to 5 Adults. 74″L x 74″ L x 36 H.