What is it????

[oscarchic11]

When i got my 55g setup, this was in a bag with the filters, airstones, and airhose... what is it?? Its an inch tall/long when closed... and the small part fits in airhose...

 

[Aaronp]

It goes on the airhose it should of had a lil pice of cotten but it connects to the airhose then to the powerhead and makes it as a bubbler i have the same thing on my power head

 

[Aaronp]

It goes on the airhose it should of had a lil pice of cotten but it connects to the airhose then to the powerhead and makes it as a bubbler i have the same thing on my power head

Hard to tell in this pic but thats what it does

 

[thomasina]

looks like an air diffuser! Saw them at the LFS yesterday! Makes smaller bubbles... But then again... I am a novice at all of this!!