One used inTank Media Basket Chamber One for Fluval EVO 13.5 tank. Comes with the media basket and a water director.

inTank aquarium-specific designed Media Baskets help improve the filtration and clarity of your aquarium while making maintenance extremely easy. What once was a dreaded chore of chaining filters and diving into the aquarium is now made easy utilizing a 4-Sided Tower Design system. The stock Fluval filtration is very dirty, an inTank filter system will fix flow issues with the stock design and sustain the aquarium longer.

Retailed for close to $100 + Tax