Signature - Bullfrog 25sqft Filter Cartridge.
Has a open top and the bottom has a coarse thread spigot.
The open top is designed so you can purchase a cap that will hold a Nature 2 stick in the centre of the filter.
Filter dimensions: Height- 145mm(not including spigot), Width- 200mm, Spigot ID- 50mm.
Also available in Microban® FC-MAD110
Box QTY: 4