Product Description

Bio-rings do not require replacement unless damaged or destroyed. In the event of excessive buildup, you may gently rinse with water from an established aquarium.

Feature

Provide Porous Surface Area for Support of Biological Filtration
Do not clean with soaps or abrasives and never rinse with unconditioned tap water
140 rings
Bio-rings do not require replacement
Brand : MarineLand
Item model num : PA11484
MPN(PartNumber) : PA11484
EAN : 0047431903234