The footrest (Adjustable) footrest on all models except for front faucet model, carefully designed to maximize your customer’s comfort. STI offers fully treated fabrics. So, you can rest easy knowing you will minimize costs. Tech chair (included) Designed and configured to match the luxury craftsmanship of our spa. Faucet's and Knobs (included) It’s the little things that make a difference. Our faucet's and knobs are part of this difference. For your convenience we carry top pull out faucet's, hot & cold valves with spray, and front faucet's. Thanks to our user friendly technology, with our plumbing you can have the competitive edge you need to succeed in today’s hectic business arena. Control system A hand-held control. Select a wave like massage or concentrate on one specific area. (Vibrating and roller massager's available).