Fluval 307/407 Phosphate Remover Pad, Replacement Aquarium Canister Filter Media, 6-Pack, for All Breed Sizes

Easy to use

Part of aquarium filter system. Very convenient. Just place in proper sequence and dispose after one month.

As advertised, fit my fluval 407 Perfectly keeps the water clear

Parfait comme la description

After switching from the gravel form of ammonia remover I started having water problems.

ottimo...fa egregiamente il suo lavoro

super

All their products work

it was ship out quick and was at my door

I swear by these in my filter. They do what they are supposed to do.