Tetra ReptoFilter Filter Cartridges, Medium, 12 Total Cartridges (4 Packs with 3 per Pack)

Cant go wrong with buying these in bulk. The price is reasonable and the shipment was prompt. I received what I ordered and I am happy with that!

For keeping turtle tank clean

Love that I could order 4 packs at a time to cut costs

Great price

Nice to have plenty filters on hand.

No problems so far

Great value for the price.

Great value. Keeps water clean and clear for 2/3 weeks.

Saves a lot. Beats the pet store prices

We use these filter for our large turtle tank