16 Count Large Filter Cartridges Compatible with Whisper Bio Bag Filters, Large Aquarium Filter Cartridge for Whisper 20i 40i, IQ20/30/45/60, PF20/30/40/60 and Repto Filter Jewelry Cleaning Kit smooth and tidy rubber ring

smooth and tidy rubber ring makes you worry-free to use

Storage Boxes Small

which are of reliable quality

The short apr's belt is 35 inches lg

making them easy to thread and use

16 Count Large Filter Cartridges Compatible with Whisper Bio Bag Filters, Large Aquarium Filter Cartridge for Whisper 20i 40i, IQ20/30/45/60, PF20/30/40/60 and Repto Filter Jewelry Cleaning Kit smooth and tidy rubber ring100% compatible with Whisper Filter : Our filters are perfectly compatible with Whisper 20i, 40i, IQ20 30 45 60, PF20 30 40 60 and Repto Filter in sizes 7. 1 "X 5. 1" for 20 60 gallon aquariums Triple efficient filtration, clearer water quality : Double layer high density filter effectively captures the residue and fish excrement in the aquarium; Super strong activated carbon quickly remove odors and yellow substances, make the aquarium glass without