Fitterfirst ProActive Disc
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Fitterfirst ProActive Disc

The Most Versatile Active Sitting Disc Available

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This self-inflating Therm-a-rest sit disc is perfect for your active sitting and exercise lifestyle. This multi-functional balance disc has various uses, from creating an instable sitting or exercise surface to injury rehabilitation and sitting pain prevention. Another great FUNctional Fitterfirst tool!

-Great for travel, very compact when deflated.
-Over-inflates to be used as a bolster for exercise or sitting.
-Provides relief from nerve and muscle conditions such as sciatica

Download Chair Accessory Comparison Chart Here


Circle - 15"
Rectangle - 17.5" x 12"

Our Guarantee

Our product guarantee assures you 100% satisfaction - unconditionally. If it's not right, we'll make it right! Our friendly, helpful team will always do their best to make your experience with Fitterfirst® a pleasant one.

Return Policy

Every item sold by Fitter International is unconditionally guaranteed.

If for any reason you should find our products unsatisfactory, you may return the product within 30 days. Before returning any product, please call customer service at 1-800-fitter1 (1-800-348-8371) for a return authorization (RMA) number. No product will be accepted without a RA number unless it is a local order that is brought back into the showroom. With the exception of shipping errors, refunds or credits will not be issued for shipping charges.

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