Cunina 12-Pack Large Filter Cartridges for Tetra Whisper & IQ Filters

Overview

Enhance your aquarium filtration with Cunina 12-pack large filter cartridges. These replacements are designed to fit Tetra Whisper large filters and IQ series units, offering a dependable option for ongoing maintenance. Each cartridge measures 6.7 inches long by 4.5 inches wide and arrives in individual packaging to preserve quality from storage to startup. This setup supports convenient, ready-to-use replacements that align with common filter chambers.

Key benefits

• Perfect compatibility with Tetra Whisper large 20i and 40i, as well as IQ 20/30/45/60 and PF20/30/40/60 models, plus related turtle tank filters
• Dual sided mesh captures debris and fish waste, helping keep water looking clear and reduce lingering odors
• Activated carbon pairs with non woven fabric to target impurities and help manage water quality more consistently
• Ready to use straight from packaging, with no extra assembly required
• 12 pack provides steady replacement options; monthly changes are recommended depending on bioload and tank conditions

• Dimensions current to standard chambers: 6.7 inch length and 4.5 inch width for a snug fit
• Each cartridge is individually sealed to help maintain performance from purchase to installation

How to use and care

• Soak the new cartridge in aquarium water for about 5 minutes to saturate media
• Rinse for 30 seconds under cool, clean water to remove visible dust
• Turn off the filter, remove the old cartridge, then insert the Cunina cartridge until it sits fully in the chamber
• Restart the filter and monitor water clarity and flow; replace on a monthly basis or as needed

With its thoughtfully designed media and straightforward replacement process, Cunina offers a practical option for ongoing tank maintenance. The 12-pack format supports regular care without frequent reordering, while the individual packaging helps preserve cartridge integrity from shelf to tank.