Lees Discard-A-Stones are disposable air diffusers with reusable inserts for attaching to the airline. The Coarse Bubble Diffuser creates a flurry of large bubbles; for smaller bubbles, use Lees Fine Bubble Diffusers.
- Excellent aeration device for all aquariums
- For use in under gravel filters, corner filters or just as decoration
- Safe for fresh and saltwater aquariums
Includes: 100 stones
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