Key Features

• 【Package includes】This filter cartridge for aquarium is compatible with whisper bio-bag external filter PF20, PF30, PF40, PF60, whisper external filter IQ20, IQ30, IQ45, IQ60, whisper 20i & 40i internal filter and Fauna ReptoFilter 50 gallons (125 GPH). ,10pack Individual Package .The size of our filter cartridges is 6.8in x 5.1in with Color box.
• 【Four-Stage Filtration】The filter is made of dense dual-sided mesh, the better the filtration effect. With 25% more active activated carbons and zeolites are added to effectively filter and absorb impurities in water, maintain a clean water source, and provide a healthy growth environment for fish.
• 【Further cleaning】 The outer layer is made of soft cotton and high-density fibers. Multi layer cotton can collect debris or waste without sucking fish, keeping the water clear and fresh. 
• 【Quick Install】Step 1 - Turn off the filter and remove the used cartridge and flush the new cartridge under water to remove dust. Step 2 - Install the filter cartridge onto the cartridge carrier. Step 3 - insert the cartridge into the flushing chamber and make sure the filter cartridge fits completely into the chamber.
• 【Easy Maintenance】Regular cleaning or replacement of the filter cartridge helps to extend the service life of the fish tank filters, while the maintenance is simple, which helps to maintain the long-term stability of the water quality of the aquarium. Suggest to change filter cartridge every 2-4 weeks. 

Specifications