Cylinder Air Stone Bubble Diffuser for Aquariums and Ponds

This cylinder air stone bubble diffuser releases a dense stream of fine bubbles for aquariums, fish tanks, ponds and hydroponic reservoirs, improving surface agitation and water circulation.

• Design: Porous stone core inside a protective plastic shell
• Weighted base: Heavy enough to rest on the tank or pond bottom
• Tubing: Fits 0.2 in (5 mm) inner diameter airline tubing
• Air pump: Pair with an air pump rated 15 W or higher for full bubble output
• Models: Four sizes (666, 886, 887, 888) for different tank and pond volumes
• Care: Soak in water for 1 hour before first use; brush clean when bubbles weaken

Typical delivery 7–15 business days.