Lee's Premium Under Gravel Filter 10 Gallon - 20 x 10 in Kessil - Cables Purigen® will change color from

Purigen® will change color from a pale blonde to a dark brown

Fluval Size (L x W x H) BFA Item # Hang-On Breeder Box Large 10

Body Size: 8in

Along with its proven multi-stage cleaning

Lee's Premium Under Gravel Filter 10 Gallon - 20 x 10 in Kessil - Cables Purigen® will change color fromDescription This biological filter has a multi level plate design. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarist. The molded gravel guards eliminate the possibility of gravel falling down the uplift tube. Made of special quality plastic which resists splitting and cracking. Includes : Premium Carbon Cartridges Coarse Discard A Stones Telescoping