Algae Cutter Bag (C) is made of nylon mesh that stretches over the inner magnet of a Mighty Magnet to remove stubborn algae quickly and easily. This bag fits Mighty Magnet models F-8, F-10, FF-4, FF-5, FF-6, FF-7, FISH-3, FISH-4 & FISH-6.

Dimensions: 5-1/2″x 10″. Actual product and color may differ from picture. 

Always clean, inspect, and test products in an inconspicuous area of the aquarium.