Im wondering that too because the duct booster makes it positive pressured when the fan isn't running..will the smell leak through he holes while flowering?
Gah and i just bought a $50 thermostat thingy that only has on/offif your tent has positive pressure it will leak smell whether there is holes or not. Constant negative pressure is key for zero odor, even with small holes. Think of your tiny pin holes as a passive intake hole. I have a thermostatically contolled variable fan speed controller, this slows the fan down during dark but it always runs, that way i always have negative pressure.