Monaca Rebuild for Belt Filter Press, Klampress Type 85 (1.0 Meter) Monaca Rebuild for Belt Filter Press, Klampress Type 85 (1.0 Meter) May 30, 2025 Widmer Engineering For full details see the main Bid page. Widmer Engineering May 30, 2025 Categories:Beaver County, Job up for bid, Monaca, Website News, Widmer Engineering