2 Universal Replacement Air Stone for Pond/Aquarium aeration-discs

2 Universal Replacement Air Stone for Pond/Aquarium aeration-discs

Aquascape 75005 replacement air stone disc for the Aquascape, Pond Logic, Lifeline air pumps.  Can also be used as a replacement for most other similar pond & aquarium air pumps.  

Patented air stone base holds stone off bottom and prevents stem from pulling out of air stone (a common problem with common cheaper round air stones).

Accepts standard air line hose 3/16 air stone measures 4" across