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Coral Propagation

Diffuser-Air Stone Bumper


To protect diffusers from abrasives like concrete or to protect a tank from abrasive diffusers. Use two diffuser bumpers for each diffuser. These oversized, heavy duty O-rings are made of Buna 70 for easy stretch over 1 1/2" square diffusers. Sold in packs of 10. Airstone not included.

Note: Diffusers are also known as airstones. O-Ring approx. Ř 1.45"

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  • Model: GNX1973
  • Manufactured by: ***Generic Brands***

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