3M 16312 PPS MIDI LIDS & LINERS 125 MICRON 400ML (BOX 50)
Midi kit contains 50 lids with 125 micron filters, 50 liners and 20
sealing plugs. Graduated measurement to 400 mL (or 13.5 fluid oz) with
mix ratio film insert (mix ratio inserts sold separately). For use with
part number 16122 Midi Size Cup and Collar.