• Three piece foam set used in most filter systems. Consisting of coarse, medium and fine foams.Can be used for replacing old foams or to build your own filter. Excellent biological and mechanical action.

Can be easily cut down to size to fit your application.

Available in the following sizes

• 11" x 17"
• 12" x 22"
• 18" x 25"
• 21" x 42"