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Lower Screen Insert for Automatic Soil Processor, No. 4
Lower Screen Inserts are designed for use with Automatic Soil Processor models to handle cohesive soil samples. Measuring 15.9x17.6in (405x446mm), these durable stainless steel inserts are built to withstand large soil volumes required for moisture/density (Proctor) and other tests. Available in three opening sizes: No.4 (4.75mm), 3/8in (9.5mm), or 3/4in (19mm).