This is molecular sieve for HIDGEEM SJ-OX1C portable oxygen concentrator.

The molecular sieve is replaceable, you will need only 20 seconds to replace it by following the steps:

Please note:

1. Before using this molecular sieve, please check the protective covers of the ports. If the protective covers are found to be off, do not use the molecular sieve.

2. Before using this absorption tower, please remove the 2 inlet protection covers and 1 outlet protection cover.

3. After the protective covers are removed, please install it within 5 minutes to avoid damage of the absorption tower caused by prolonged exposure in the air.