OASE BioMaster Pre-filter Foam Set Blue 1ea/6 pk splinter-free Grain-Free Formula: 100% free from

Grain-Free Formula: 100% free from grains

the Rock Cave is perfect for fish and reptiles alike

**Natural Ingredients**: Made from 100% pure

the essential ally for any saltwater aquarium enthusiast

dry place to maintain their freshness and flavor

OASE BioMaster Pre-filter Foam Set Blue 1ea/6 pk splinter-free Grain-Free Formula: 100% free fromThe Pre filter Foam Set 45 ppi for the BioMaster 250, 350, or 600 includes six fine replacement filter foams. The combination of coarse and fine filter foams allows you to customize to meet the filtration needs of your aquarium. Timing to replace the pre filter foam set varies upon aquarium size, number of fish and plants, and declines in filter performance. Product Gross Weight: 0. 0300 lb Product Net Weight: 0. 0300 lb Product Height: 10. 10 in