The Fluval A156 is the correct replacement filter foam pad for the following:
The Fluval Elite Stingray 10 Aquarium Foam Filter Pad is a replacement aquarium filter for the Stingray 10. The Stingray 10 filter provides mechanical and biological filtration for your aquarium. This Stingray aquarium filter is a blister packed on a colorful display card.
Fluval Elite Stingray 10 Aquarium Foam Filter Pad specifications: