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How is the Inflatable Lumbar Cushion from Core Products inflated and deflated?
To inflate the Core Products Inflatable Lumbar Cushion, twist the know until deflated. Squeeze the attached hand pump (no more than 35 pumps) to inflate the cushion to the desired support. Do not overinflate. To deflate, twist the knob.
If you have any questions please contact our customer support.