Cobalt Micro-UV Inline UVC 5-8" Barb Fish Bags & Rubber Bands This ball is made of

This ball is made of a durable

Composed of a blend of unique marine fish and crustacean sources of proteins and essential fatty acids

it does not promote the growth of nuisance algae

While all carbons contain phosphate

Two year limited warranty

Cobalt Micro-UV Inline UVC 5-8" Barb Fish Bags & Rubber Bands This ball is made ofAquarium: UV Sterilizers & Parts The Cobalt 3 watt MICRO UV clarifier removes water born microscopic algae, bacteria and other organisms and keeps water clean and green free. Easy inline installation and maintenance using included 5 8 hose barbs and locking rings. Perfect for use with Cobalt EXT Filter System! Royal Item Number: ACI26600