10 Pack Filter Cartridge for Tetra Whisper Bio-Bag Filters 20i/40i/IQ20.. Large

Tetra Whisper Bio-Bag Filters 20i/40i/IQ20/IQ30/IQ45/IQ60/PF20/PF30/PF40/PF60. Open Box, all filters checked all looked properly sealed.

eBay