Lees Discard-A-Stone Fine Bubble

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.