Key features:

Pump:

aluminum motor cover bring 18 months warranty

air output 7-8L/min very supportive

quite pump low noise below 20db

with knob easy adjust pressure

fixed hook 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

high elastic end flaps, Repair kit and hose included

12 months warranty

package info: 58*32*32cn/5ctbs/18.5kgs, container:2650-2500pcs