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Thomashilfen Defender Reha Booster Seat

Regular Price $945.00 $945.00
Sale Price $897.75
Price Match
30-Day Returns

As long as the equipment is returned in new, re-saleable condition, within 30 days of the Return Authorization we will refund your original purchase cost without any re-stock fee!

**For the health and welfare of others, we regret that we cannot allow toileting or bathing/shower product returns because of sanitary and personal hygiene reasons. Some manufacturers will not permit returns on certain products. Due to the custom, hand-made nature of Beds by George products, beds and accessories are not returnable. Please check with Customer Service if you have any questions.

There are certain things you must do in the event of a return.

1) Keep your original carton and packing materials for safe transport! Please carefully repack the items in their original packaging so they are secure and tight inside the box. Utilize any plastic bags that came with your order - they protect items from vibration during shipping. 

2) Contact us within 30 days of the receipt of the products. Email us or call us for return instructions and a Return Authorization number.

You must have a Return Authorization number to ensure that your return is processed.

Some important notes about returns:

    • You will be responsible for the return shipping cost. To protect yourself, use a delivery service that has a tracking # and insurance. A refund will not be given on merchandise that is lost by the carrier.

    • If you paid a shipping fee on your original order for expedited, international or other shipping it is Non-Refundable even upon return of your order.

  • Please note that returns may go back to a different location than they originated from. If you return an item to our warehouse in New York without a Return Authorization Number the cost we incur to ship the item to the manufacturer's warehouse on your behalf will be deducted from the amount of your credit, if any.

If the item cannot be made re-sellable you have the option of:

1. Paying to have the item delivered back to you.
2. Adjustment to credit for a 25% Disposal Fee. 

If you have any questions, please feel free to either email us at or call us at 1-800-371-2778 or 1-315-429-7112 to reach Customer Service. We are here to help!

Product Description

Special Needs Adaptive Booster Car Seat that offers an optional Swivel Base.

The Thomashilfen Defender Reha Booster Seat accommodates children weighing between 30–110 lbs. (13.6-50 kg) and whose height is between 34–57 in. (86.4–144.8 cm). The booster seat must be installed in the forward-facing position ONLY with top tether and lower anchor attachments (LATCH*). The vehicle’s LATCH anchorage system is used to keep the booster seat attached to the vehicle for safety when the booster seat is not in use. This is a Universal Restraint System for children with special needs.  It is approved in accordance with Federal Motor Vehicle Safety Standard 213 for general use in vehicles and it will fit most but not all cars. A correct fit is likely if the vehicle manufacturer has stated in the vehicle handbook that the vehicle is capable of accepting a Universal Restraint System for this age group. Only suitable for use in vehicles with 3-point (lap & shoulder) seat belts. 

*All standard vehicles sold in the USA in 2003 or later are required to have a LATCH system. Some vehicles older than this may have the LATCH system. You would need to verify within your own vehicle. 

If your car does not have a LATCH System and you are interested in this Booster Seat, please contact customer service toll free at (800) 371-2778.

The Defender Reha US Booster Seat is a booster seat manufactured by Harmony and modified by Thomashilfen to provide 360 degrees of impact protection for children with special needs. Head, trunk and thigh support are standard features in the Defender Reha. These supportive pads are also easily removed to accommodate growth or changes in the child’s functional abilities. This adaptive booster seat is perfect for children with developmental differences such as autism spectrum disorder (ASD), cerebral palsy (CP), hypotonia (low muscle tone), muscular dystrophy and attention deficit hyperactivity disorder (ADHD). Children with these diagnoses who have outgrown their car seats often require more postural support when riding in a car than ordinary booster seats provide. The Defender Reha Booster Seat is designed to accommodate the child’s continued growth while remaining narrow enough for a second car seat as well as another child to fit in the back seat.

The Defender Reha is a high back belt-positioning Booster Seat offering many features and functions to accommodate your child with special needs. There is an integrated, height-adjustable headrest (9 positions, one-hand height adjustable), 5-point harness for positioning purposes ONLY, lateral trunk supports (removable), and lateral thigh supports (removable). These along with optional positioning accessories provide the best support possible for your child. The Defender Reha Booster Seat meets or exceeds US FMVSS213 Safety Standards.

PLEASE NOTE: When using the Defender Reha Booster Seat, the VEHICLE’S  3-POINT SEAT BELT (the car’s lap plus shoulder belt) is ALWAYS USED. The CAR’S SAFETY BELT IS THE RESTRAINT for the child and the Booster Seat. Integrated 5-point harness (the strapping system that comes with the booster seat) provides positioning support only.

Optional Accessories include: Swivel Base, Swivel Base with Foot Stand, Swivel Base with Foot Stand and Footrest (choice of footrest depth, choice of adding Footrest Pad), OR Adapter with Footrest (Non-Swivel Base) and much more! Please refer to Accessories Section for more information and to order these optional accessories. All accessories are tested according FMVSS 213 (US – FEDERAL MOTOR VEHICLE SAFETY STANDARDS AND REGULATIONS) and meet or exceed standards.

If you need some help Understanding Car Seats vs. Booster Seats as you get started, click here for more information.

Please Note: The Defender Reha Booster Seat is NOT CERTIFIED for use in an aircraft.

Please refer to the User’s Manual for information regarding the car seat/booster seat EXPIRATION DATE. A link to the User’s Manual can also be found at the end of the Features Section on this page. You may also find this article to be helpful Car Seats Have an Expiration Date. (And Here’s Why!)

Is this Product Right for You?

  • Booster Car Seat with LATCH
  • Weight capacity 30 – 110 lbs. (13.6-50kg)
  • Accommodates children whose height is 34 – 57 in. (86.4–144.8 cm)
  • Seat weight 22 lbs. (10 kg)
  • Critical measurements: Thigh depth, Hip width, Back height to Head, and Weight
  • Questions? Our therapists can help you with a proper fit… to start please click SIZING HELP and complete a simple form, or call us toll free at (800) 371-2778

Defender Reha Booster Seat includes:

  • High back belt-positioning Booster Seat with LATCH
  • Seat back with height adjustable headrest (9 positions, one-hand height adjustable)
  • Lateral head support pads (removable)
  • Lateral trunk support pads (removable)
  • Lateral thigh support pads (removable)
  • 5-point Harness for positioning purposes ONLY with chest clip and soft harness covers
  • Small crotch pad and an easily accessible up-front harness adjuster
  • Cup/snack holder easily installed on either armrest
  • Ultra plush seat pad made with durable premium fabrics and extra foam for maximum comfort (removable/machine washable).
  • 2-year warranty

Click here to view Thomashilfen Defender Reha User’s Manual!

Size Chart
Thomashilfen Defender Reha Booster Seat Dimensions
Booster Seat Occupant Weight Capacity
30 - 110 lbs.
(13.6 - 49.89 kg)
Seat Depth

(34.29 cm)

Seat Width without Seat Pads
(30.48 cm)
Seat Width with Seat Pads

(22.86 cm)

Shoulder Strap Height Range

10 - 19.5" *
(25.4 - 49.5 cm)

Interior Seat Back Height

23.5" - 30.75" *
(59.69 - 78.11 cm)

Lower Leg Length
(Requires Footrest Adapter & Base Plate)

11" - 16.5" **
(27.94 - 41.91 cm)

Weight of Car Seat
22 lbs. (10 kg)


* To reach max. back & shoulder height, additional seat pad and foam pads under seat must be removed.

**7" minimum can be achieved with accessory footrest pad


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