Search query: tetra 20 gallon tank
Product: Tetra Carbon Filters, For Aquariums, Fits Tetra Whisper EX Filters, Large, 4-Count
Brand: Tetra
Highlights: Medium fits EX20Large fits EX30, EX45, and EX70
Tetra Carbon filters trap even the smallest particles
Easy to use
ESCI relevance label: S