Algae Cutter Bag (D) 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-9, F-12, F-14, F-15, FF-8, FF-9, FF-10, FF-12, & FF-14.

Dimensions: 6″x 12″. Actual product and color may differ from picture. 

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