VWR* Testing Sieve USA series: #100. Sieve opening: 150um (0.0059in.). Intermediate height. 30.5 cm (12in.) brass frame with stainless steel wire cloth. Depth to cloth: 5.1cm (2in.). Inspected with optical measurement system traceable to NIST. Certi
VWR* Testing Sieve USA series: #140. Sieve opening: 106um (0.0042in.). Intermediate height. 30.5 cm (12in.) brass frame with stainless steel wire cloth. Depth to cloth: 5.1cm (2in.). Inspected with optical measurement system traceable to NIST. Certi