Oase Carbon Prefilter Foam BioMaster / 480232 Size:Set 6 Calcium and vitamin D3 are

Calcium and vitamin D3 are both essential for shell formation

Toy size: 19 x 4 x 4 in

Burrow size: 7

as well as high quality lean proteins to help support lean muscle and maintain ideal body condition

including DHA which helps ensure optimal brain and eye development

Oase Carbon Prefilter Foam BioMaster / 480232 Size:Set 6 Calcium and vitamin D3 areThe carbon pre filter foam set for the Bio master 250, 350, or 600 includes 6 carbon replacement filter foams Safely regulates the pH value and water Hardiness Activated carbon absorbs unwanted substances in aquarium water Customize your choice of filter foams to meet the needs of your Aquarium Carbon filter foams make replacement much simpler than common granular forms