Algae Cutter Bag (A) 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-1, F-2 & F-3.

Dimensions: 4″x 5″. Actual product and color may differ from picture. 

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