Just go with these http://www.thatpetplace.com/pet/prod/205792/product.web for small tanks and the fish will still be able to breed. They're cheap, hold up and will work in a planted tank, keep an extra on hand for emergencies.
Single filtration for what your wanting to do will cost more than these individual filters. You can even make replacement filter material cheap.
Dr Joe
.
Single filtration for what your wanting to do will cost more than these individual filters. You can even make replacement filter material cheap.
Dr Joe
.