Lees Discard-A-Stones are disposable air diffusers with reusable inserts for attaching to the air line. The Fine Bubble Diffuser creates a flurry of small bubbles; for larger bubbles, use Lees Coarse Bubble Diffusers.
- Excellent aeration device for all aquariums
- For use in under gravel filters, corner filters or just as decorations.
- Safe for fresh and saltwater aquariums
Includes: 6 stones and 4 inserts.
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