The preassembled Emperor Cartridge filters water through a huge, 44-square inch pad. Made of double thick polyfiber, it traps more waste and dirt ...
"marineland emperor 400"
Reviewed by peterise on Nov 30, 2004
Excellent!!! Nice water flow. Easy to maintain. Good biological filtration. Priced right.I have a fluval 304 ,fluval 404 . . .