Egypt Bahrain: Black Walnut Shell filter media zihramedia - December 7, 2021 0 [ad_1] Supply of Black Walnut Shell filter media for field operations to be used for water treatment plants Subscribe to read the full article Become a MEED subscriber for unlimited access to: Exclusive news, comment and analysis on the MENA region An unrivalled 20-year old archive Exclusive announcements on project news, bids, awards and updates The latest Industry data and competitor insights SUBSCRIBE To MEED REGISTER to unlock sample content [ad_2]