Aqueon Replacement Filter Cartridge 9 pack Size:Large 20 wood screws and 12

20 wood screws and 12 washers

Easy to grip and toss

When your pet enters through the sliding glass doors

This system is expandable to a 5-dog unit with TC1 Add-On units (sold separately)

Aqueon Replacement Filter Cartridge 9 pack Size:Large 20 wood screws and 12Patented dual sided dense floss cartridges contain over 25% more activated carbon than the leading brands. These unique cartridges were designed to ensure even distribution of carbon throughout for more thorough filtration and longer cartridge life. Features: Fits Aqueon E Internal 10 gallon and MiniBow filters Ready to use cartridge contains high quality activated carbon that keeps water clean Installs in seconds: align cartridge bottom key slot for