2 pieces per pack
Replaces many air stones in common box filters and undergravel riser stems
The Power Agitator
Flexible, porous air tubes with large surface area
Provide powerful aeration and water agit...
Hagen Ultra 4-Way Air Control Valve:
All plastic construction
Will not leak up to 5 p.s.i.
Molded design, no seal rings, screws, rivets, joints or seams
Hanger fits all standard aquariums
A well balanced variety of freeze-dried food
When added to water, the block slowly dissolves to provide a time-released source of food during an aquarist`s absence
Neutralizes pH and purifies water
Sufficient for abou...
Durable air stones effectively create water currents and dazzling underwater scenes
Increases surface agitation, oxygenates water
Helps release carbon dioxide build-up
Fits standard airline tubing
Creates a wall of...