Please Note:the A70012 media is not designed to be used with the Ultima II Filters.

Replacement Ultra Media (model A70012) Includes 8.5 pounds or 1 cubic foot of tubular bio media and is designed to promote bacterial growth. 

This beneficial bacteria converts ammonia into harmless compounds and traps solids without clumping.

Media is White.

approx. - 1/2" long, 1/4"+/- Diameter