Item Type: Anti Bedsore Mattress. 1 x Anti Bedsore Mattress. Air vent is designed to dissipate heat, ventilate and dehumidify the air mattress between the user and the mattress. Insert the inflating head of the inflating device into the inflating port, operate the inflating device and inflate it repeatedly until the air mattress has a moderate hardness and softness, and then move the user to the mattress.
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