Thread: What’s this and how’s it work
View Single Post
Old Jan 27, 2018 | 08:18 AM
  #3  
Caddyshack's Avatar
Caddyshack
10K+ Poster!!
 
Joined: Mar 2013
Posts: 10,837
Likes: 1,033
From: Guildford
Default
I assume they are a carbon filter and if so they would be service replacement. It goes on one of the breathers from the tank.
Reply
0