grow out system wet/dry trickel filter which to buy?

[LARRYTHEBIRD]

I getting ready to order a wet/dry filter for a 5 ten gallon tank grow out system and another for a 3 ten gallon and 2 twenty gallon broodstock system. does anyone have any sugjestion on which one to get? what size rating or where to purchase one at a good prise? thanks everyone for your help .

 

[ediaz]

How much are you willing to spend?

 

[LARRYTHEBIRD]

maybe $300 each