Flip Screen Bucket, For Excavator. ERMAN CORP, Model: Ex-80. List Price: $ 48,000. Load The Bucket - Rotate The Bucket/screen - Reverse The Rotation & Dump The Retained Ovetrsize. Complete With Brackets To Mount On To: Volvo Ecr-235 Excavator, And Ec-340 Excavator. One Man Operation For Screening Fines Out Of Your Material. Ideal For Screening: Top Soil-- Sand-- Rock-- Gravel-- Asphalt Millings--ect.