need a piece thats 10"x23"

Pm MarkL I think he has the hookup on it...

thanks

Dave has that mesh and IMO its way better. I put a par meter under 250w with halide with and without eggcrate and the par drop was substantial. I dont remember the numbers but it was around a 30% drop.

i need it for sump not ,but yes I need to get with Dave and change out my tops also thanks