Strong stainless screen to sift the best pollen.
All interchangeable and removable.
Simply remove the rubber o ring with tweezers, pop the screen out of the groove, insert the new screen, and finally put the black o ring back into the grove.
Coarse- 40 micron screen. This is the screen you want if you want the most amount of pollen to fall down to the catch basin.
Shipping fulfillment = 2 business days