Includes 2 diaphragms with base blocks and chamber blocks. Also Includes Filter, Filter Packing, & Instructions. Fits Alita Linear Air Pump Models Below.

For AL-150 manufactured between 2003~2014 DS#0301##### to 1412#####

For AL-200 manufactured between 2003~2012 DS#0301##### to 1212#####

Housing color Light yellow-green or White