Can be used with or without filter paper for collecting kidney stones, straining urine or retaining undissolved crystals.
The 2¨ (5.1 cm) diameter strainer section has holes .025¨ (.064 cm) square. The strainer cup is 1/2¨ (1.3 cm) deep and fits inside the funnel. The funnel fits vessels with a neck opening from 1/4 to 1 7/8¨ (.64 to 4.8 cm).
Warranty: 12 months parts and labor. Click here to get the full warranty and warranty card.