Strainer With Filter, Kidney Stone Collector

Features

• 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).