Fluval Flex Foam Filter Block DogCollarsLeashesType_Training Sponge filters do an excellent

Sponge filters do an excellent job of clearing impurities from aquarium water and are amazingly simple and inexpensive to operate

Gravity Bin feeders hold up to two pounds of food giving your pets a five day food supply

Value Pack Includes: five regular sized blocks

Provides a safe getaway for pet rest & relaxation

Fluval Flex Foam Filter Block DogCollarsLeashesType_Training Sponge filters do an excellentThe Flex Foam Filter Block provides effective mechanical filtration by trapping large particles and debris. Key Features : Specifically designed for the Fluval Flex aquarium series Equipped with convenient handle for easy handling Foam Filter Block is suitable for: Flex 15 US Gal 57 L Flex 32. 5 US Gal 123 L