Removes some of the smallest waste with ease. Extra thick duo density build. Works to keep your aquarium clean and healthy for your fish. Refill cartridge for the AquaClear Quick Filter Powerhead Attachment.

Filters debris and provides optimal biological filtration. Simple to install and maintain. Silent and efficient. Ideal supplemental or stand-alone filter, or for installations where external filtration is not possible. Comes complete with adjustable flow rate, 1 foam pad and output diverter; For use in environments up to 15 gallons.

The Elite round air stone is ideal for adding accents in any aquarium the air stone diffuses air, creating water movement. The air stone also increases surface agitation, accelerates oxygen replenishment and helps release carbon dioxide build-up. Simply connect the air stone to your airline tubing and place it in the desired location. This product weighs 0.08-pound. Available in round shape. Round air stone measures 1-1/5-inch diameter.

The Elite cylinder air stone is ideal for adding accents in any aquarium the air stone diffuses air, creating water movement. The air stone also increases surface agitation, accelerates oxygen replenishment and helps release carbon dioxide build-up. Simply connect the air stone to your airline tubing and place. This product weighs 0.03-pound. Available in cylindrical shape. Measures 1-1/2-inch.