60 Mesh 250 Micron 12" X12" Screen Stainless T-316 (1 piece) Surgical Grade Filter Material Particulate Capture Extracts Home Brewing Aquariums Biofuel We ship daily! Discreetly packaged to protect your item in transit. 250 micron stainless screen will allow all praticulate smaller than 250 microns to pass while retaining the rest. Will not tear, corrode, blowout, or fail you. Technical Specs: 60 mesh T-316 alloy stainless steel screen. Wire dia. .0075 opening width .009 or 250 microns % open area 30.5% 12" X 12" 60 mesh screen cut from new rolls. Uniform 250 micron openings that retain their shape. Resists clogging. Your item will arrive in perfect condition with no marks, kinks or blemishes.