Wave maker

[Red Sea reefer]

So my friend start new saltwater tank it's 5 ft x 3 ft x 2 ft front to back
So the question is what wave maker and how many he should use
One thing to add its really hard to get MP40 over here so if there is any
Other choices !? Thanks in advance

[Red Sea reefer]

?????

[bundybear1981]

in my 6 ft x 3 ft x 2 ft I have 2x Jebao RW15s, set to lowest level and still can blow sand around. IMO one RW8 would be sufficient (or 2x RW4s) that's if he goes the Jebao path.

[kmbyrnes]

I have RW-8, RW-15 and RW-20 in my various tanks.
A pair of RW-8's would work really well in this case.