Pump:
motor cover bring 18 months warranty
air output 6-8L/min very supportive
Silent pump low noise below 20db
with knob easy adjust pressure
fixed holk easy fix on bed frame
mattress:
bubbles on A-B lines alternating inflating provides superior therapeutic treatment
Material : medical class Taiwanese PVC 0.3mm high elastic
end flaps ,Repair kit and hose included
12 months warrnaty