Call us at (847) 677-6755 to place your order. Call us at (847) 677-6755 to place your order. Call us at (847) 677-6755 to place your order. Welcome to Koeber’s Rental Center Categories: All Oxygen Concentrator Sit to Stand Hoyer Lift Hospital Bed Wheelchair Transport Chair Knee Walker Rollator Walker Crutches Scooters Power Wheelchair Lift Chairs All Oxygen Concentrator Sit to Stand Hoyer Lift Hospital Bed Wheelchair Transport Chair Knee Walker Rollator Walker Crutches Scooters Power Wheelchair Lift Chairs Transport Chair $120.00