Sample Thickness Range: .125" to .25"time, costs and hassles of repainting.udes a 30x illuminated microscope with 8x magnifier, a pack of ten .2 micron filter membranes, heavy duty anodized aluminum housing with adjustable PSI flow gauge and a quick disconnect nipple in a durable foam lined case.lluminated microscope with 8x magnifier, a pack of ten .2 micron filter membranes, heavy duty anodized aluminum housing with adjustable PSI flow gauge and a quick disconnect nipple in a durable foam lined case.