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...
WON 12 INCH FLEXIBLE AIR DIFFUSER Features:
Flexible design allows placement in hard to reach areas
Easy to hide
Can be bent to create many interesting shapes and patterns
Easy to clean
Produces an attractive cu...