The Maddak Strainer from Maddak, available through LabSupplies.com. Choose your pack size above. Professional clinical laboratory supply for accurate, efficient testing workflows. Backed by McKesson quality and reliable fulfillment.Features & Benefits Can be used with or without filter paper for collecting kidney stones, straining urine or retaining undissolved crystals The 2 inch (5.1 cm) diameter strainer section has holes .025 inch (.064 cm) square The strainer cup is 1/2 inch (1.3 cm) deep and fits inside the funnel The funnel fits vessels with a neck opening from 1/4 to 1 7/8 inch (.64 to 4.8 cm) Specifications Manufacturer Maddak Brand Maddak Product Type Clinical Laboratory Accessories Ordering & Cross-ReferenceOrder or search by McKesson item number, manufacturer number (MPN), or UPC/GTIN: Pack McKesson Item # Mfr # (MPN) UPC / GTIN Each 580097 726760001 —