Overview Hedday 24-pack Aquarium Filter Cartridges are designed for Aqua-Tech EZ-Change #3 filters, including 20-40 and 30-60 gallon tanks

The set also aligns with Marineland Penguin PRO and Penguin Power Filters, ing a practical, ready-to-use solution for ongoing tank maintenance without overpromising results

Filtration and media Each cartridge blends cotton filtration with activated carbon

This media duo captures debris and dissolve organics, helping to keep the water clearer and the environment healthier for your fish and plants, while supporting regular tank upkeep

Compatible with AQUA-Tech EZ-Change #3 and related Marineland filters Filtration media combines cotton and activated carbon for multi-stage cleaning Helps reduce visible impurities and maintain clearer water for a healthier look every 2–4 weeks to sustain performance Maintenance made simple Replacing cartridges is straightforward: remove the old unit and insert a new one

Before first use, rinse the cartridge to remove transit dust and packaging residue, helping the media reach its potential sooner

Simple swap for minimal downtime Includes 16 filter cotton pads in the kit 24-pack cartridge set designed for ongoing care and peace of mind -life use and benefits In a busy household, having a ready supply of s helps you stagger changes and keep your tank cycling steady

The combination of cotton and carbon supports common hobby scenarios—from mixed-species communities to planted tanks where consistent clarity matters

Hedday responsive customer support to help with fit and setup questions, reinforcing the practical value of this solution for aquarium keeping

FAQ Q: Is this Hedday cartridge compatible with Aqua-Tech EZ-Change #3

A: Yes—designed for Aqua-Tech 20-40/30-60 power filters and compatible Marineland models

Q: How often should I replace the cartridge

A: Replace every 2–4 weeks to maintain water quality, depending on tank conditions