Tetra EasyCrystal Filter Pack C250/300 filter material with activated carbon, filter pads for EasyCrystal internal filters, suitable for aquariums from 15-60 liters, 3 pieces, Green

Very good quality.Well worth it.Highly recommended.

Works fantastic

These are brilliant clean clear tank for ages

The Tetra EasyCrystal Filter Pack C250/300 is a fantastic choice for anyone using the corresponding filter system in their aquarium. These cartridges are incredibly easy to install and replace, making maintenance quick and hassle-free.The filtration performance is excellent, keeping the water crystal clear and maintaining a healthy environment for your fish. The dual-layer design does a great job of trapping dirt and debris, while the activated carbon eliminates odors and discoloration effectively.I appreciate how mess-free the replacement process is—just slide out the old cartridge and pop in a new one. There's no need to rinse or handle filter media, which is especially convenient for busy aquarists.The only downside is that regular replacement is necessary, as the cartridges are disposable. This adds to the running costs over time, but the consistent performance justifies the expense.Overall, the Tetra EasyCrystal Filter Pack C250/300 is a dependable product that delivers great results. It’s perfect for those who prioritize convenience and clean water quality in their aquariums.

This is the only place I can get these filters. Great fit and value for money. Will definitely keep buying these

Have ordered many of these as I've needed them so easy to use 3 individually wrapped filter media cartridges just tale out the old an pop an new 1 in so much easier an no mess from spills or aquarium waste

I have a couple of aquariums and one of them has a filter which uses the Tetra C250/300 filter elements. These filter elements contain some activated carbon which helps keep the water clearer, all wrapped in two different filter media. The white side should face the water in flow and is designed to capture larger waste and the green side is on the water out flow and is there to capture the finer particles. Overall they do a very good job of filtering the water to remove waste particles and also to chemically filter the water (using the carbon) to give a cleaner healthier aquarium. Tetra recommend replacing these cartridges every 4 weeks but I have found they are effective in my aquarium for up to 6-8 weeks (I do monitor the chemical levels in between too in case the filters need replacing sooner).The description does say the filter can be replaced without getting your hands wet Not quite true as I do find some water flows over the top of the filter sometimes but it is certainly less messy than those filters were you have to wash out the filter media etc.The biggest downside to these filters though is you are replacing a lot of filter media in one go so the biological balance of the aquarium could be upset. This is one of the reasons I am so careful about checking the chemical levels, especially in the few days following media changes.Overall I would recommend these to anyone with C250 or C300 filters who does not need media without carbon (sometimes you need carbon free media when treating fish etc). The current Amazon pricing is also very competitive compared to the prices a 6 months ago when I last purchased it.

Arrived ahead of schedule, well packaged and as described. Very happy with purchase and will be back!