Wheelchair Back Cushion Adj Tension Fits 16 21 w WC's Manual Electric Treadmills Single and double pumping modes 10883 Single and double pumping modes * Designed with leading lactation professionals the Evenflo Feeding Advanced Double Electric Breast Pump includes premium features momsare looking for * This hospital strength full time use pump helps maximize milk output is comfortable and gentle on breasts and is quiet and portable for discreet pumping anywhere * Independent speed and suction controls mimic baby 5 * Folding Size (L x W x H) 42 Fits 16 21 wide wheelchairs 16 high * Perfect solution for patients with mild positioning needs * Versatile back support system that improves patient comfort and posture * 1 thick high density foam pad provides optimal pressure redistribution * Secures directly over wheelchair canes for added strength stability and safety * 5 Adjustment straps featured for multi purpose back support and customization to individual seating needs * Handy back pocket is convenient for carrying keys water bottle medications tissues and more * Breathable cover is fluid resistant and easy to clean and maintain * Cushion folds with the wheelchair for easy transport and storage * Meets flammability standard TB117 * Weight capacity 350 lbs * Warranty 18 months